From 23d42ee278de1552d67daef5774ba59ff30925db Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Thu, 7 Feb 2008 16:34:53 -0500 Subject: SUNRPC: export svc_sock_update_bufs Needed since the plan is to not have a svc_create_thread helper and to have current users of that function just call kthread_run directly. Signed-off-by: Jeff Layton Reviewed-by: NeilBrown Signed-off-by: J. Bruce Fields --- net/sunrpc/svcsock.c | 1 + 1 file changed, 1 insertion(+) (limited to 'net') diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index c475977de05..a45c378250b 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -1101,6 +1101,7 @@ void svc_sock_update_bufs(struct svc_serv *serv) } spin_unlock_bh(&serv->sv_lock); } +EXPORT_SYMBOL(svc_sock_update_bufs); /* * Initialize socket for RPC use and create svc_sock struct -- cgit v1.2.3 From 7086721f9c8b59331e164e534f588e075cfd9d3f Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Thu, 7 Feb 2008 16:34:54 -0500 Subject: SUNRPC: have svc_recv() check kthread_should_stop() When using kthreads that call into svc_recv, we want to make sure that they do not block there for a long time when we're trying to take down the kthread. This patch changes svc_recv() to check kthread_should_stop() at the same places that it checks to see if it's signalled(). Also check just before svc_recv() tries to schedule(). By making sure that we check it just after setting the task state we can avoid having to use any locking or signalling to ensure it doesn't block for a long time. There's still a chance of a 500ms sleep if alloc_page() fails, but that should be a rare occurrence and isn't a terribly long time in the context of a kthread being taken down. Signed-off-by: Jeff Layton Signed-off-by: J. Bruce Fields --- net/sunrpc/svc_xprt.c | 24 ++++++++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) (limited to 'net') diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c index 332eb47539e..2e5d43c3914 100644 --- a/net/sunrpc/svc_xprt.c +++ b/net/sunrpc/svc_xprt.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include #include @@ -587,6 +588,8 @@ int svc_recv(struct svc_rqst *rqstp, long timeout) struct page *p = alloc_page(GFP_KERNEL); if (!p) { int j = msecs_to_jiffies(500); + if (kthread_should_stop()) + return -EINTR; schedule_timeout_uninterruptible(j); } rqstp->rq_pages[i] = p; @@ -607,7 +610,7 @@ int svc_recv(struct svc_rqst *rqstp, long timeout) try_to_freeze(); cond_resched(); - if (signalled()) + if (signalled() || kthread_should_stop()) return -EINTR; spin_lock_bh(&pool->sp_lock); @@ -626,6 +629,20 @@ int svc_recv(struct svc_rqst *rqstp, long timeout) * to bring down the daemons ... */ set_current_state(TASK_INTERRUPTIBLE); + + /* + * checking kthread_should_stop() here allows us to avoid + * locking and signalling when stopping kthreads that call + * svc_recv. If the thread has already been woken up, then + * we can exit here without sleeping. If not, then it + * it'll be woken up quickly during the schedule_timeout + */ + if (kthread_should_stop()) { + set_current_state(TASK_RUNNING); + spin_unlock_bh(&pool->sp_lock); + return -EINTR; + } + add_wait_queue(&rqstp->rq_wait, &wait); spin_unlock_bh(&pool->sp_lock); @@ -641,7 +658,10 @@ int svc_recv(struct svc_rqst *rqstp, long timeout) svc_thread_dequeue(pool, rqstp); spin_unlock_bh(&pool->sp_lock); dprintk("svc: server %p, no data yet\n", rqstp); - return signalled()? -EINTR : -EAGAIN; + if (signalled() || kthread_should_stop()) + return -EINTR; + else + return -EAGAIN; } } spin_unlock_bh(&pool->sp_lock); -- cgit v1.2.3 From f15364bd4cf8799a7677b6daeed7b67d9139d974 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Aur=C3=A9lien=20Charbon?= Date: Fri, 18 Jan 2008 15:50:56 +0100 Subject: IPv6 support for NFS server export caches MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This adds IPv6 support to the interfaces that are used to express nfsd exports. All addressed are stored internally as IPv6; backwards compatibility is maintained using mapped addresses. Thanks to Bruce Fields, Brian Haley, Neil Brown and Hideaki Joshifuji for comments Signed-off-by: Aurelien Charbon Cc: Neil Brown Cc: Brian Haley Cc: YOSHIFUJI Hideaki / 吉藤英明 Signed-off-by: J. Bruce Fields --- net/sunrpc/svcauth_unix.c | 118 +++++++++++++++++++++++++++++++--------------- 1 file changed, 80 insertions(+), 38 deletions(-) (limited to 'net') diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c index 3c64051e455..3f30ee6006a 100644 --- a/net/sunrpc/svcauth_unix.c +++ b/net/sunrpc/svcauth_unix.c @@ -11,7 +11,8 @@ #include #include #include - +#include +#include #define RPCDBG_FACILITY RPCDBG_AUTH @@ -85,7 +86,7 @@ static void svcauth_unix_domain_release(struct auth_domain *dom) struct ip_map { struct cache_head h; char m_class[8]; /* e.g. "nfsd" */ - struct in_addr m_addr; + struct in6_addr m_addr; struct unix_domain *m_client; int m_add_change; }; @@ -113,12 +114,19 @@ static inline int hash_ip(__be32 ip) return (hash ^ (hash>>8)) & 0xff; } #endif +static inline int hash_ip6(struct in6_addr ip) +{ + return (hash_ip(ip.s6_addr32[0]) ^ + hash_ip(ip.s6_addr32[1]) ^ + hash_ip(ip.s6_addr32[2]) ^ + hash_ip(ip.s6_addr32[3])); +} static int ip_map_match(struct cache_head *corig, struct cache_head *cnew) { struct ip_map *orig = container_of(corig, struct ip_map, h); struct ip_map *new = container_of(cnew, struct ip_map, h); return strcmp(orig->m_class, new->m_class) == 0 - && orig->m_addr.s_addr == new->m_addr.s_addr; + && ipv6_addr_equal(&orig->m_addr, &new->m_addr); } static void ip_map_init(struct cache_head *cnew, struct cache_head *citem) { @@ -126,7 +134,7 @@ static void ip_map_init(struct cache_head *cnew, struct cache_head *citem) struct ip_map *item = container_of(citem, struct ip_map, h); strcpy(new->m_class, item->m_class); - new->m_addr.s_addr = item->m_addr.s_addr; + ipv6_addr_copy(&new->m_addr, &item->m_addr); } static void update(struct cache_head *cnew, struct cache_head *citem) { @@ -150,22 +158,24 @@ static void ip_map_request(struct cache_detail *cd, struct cache_head *h, char **bpp, int *blen) { - char text_addr[20]; + char text_addr[40]; struct ip_map *im = container_of(h, struct ip_map, h); - __be32 addr = im->m_addr.s_addr; - - snprintf(text_addr, 20, "%u.%u.%u.%u", - ntohl(addr) >> 24 & 0xff, - ntohl(addr) >> 16 & 0xff, - ntohl(addr) >> 8 & 0xff, - ntohl(addr) >> 0 & 0xff); + if (ipv6_addr_v4mapped(&(im->m_addr))) { + snprintf(text_addr, 20, NIPQUAD_FMT, + ntohl(im->m_addr.s6_addr32[3]) >> 24 & 0xff, + ntohl(im->m_addr.s6_addr32[3]) >> 16 & 0xff, + ntohl(im->m_addr.s6_addr32[3]) >> 8 & 0xff, + ntohl(im->m_addr.s6_addr32[3]) >> 0 & 0xff); + } else { + snprintf(text_addr, 40, NIP6_FMT, NIP6(im->m_addr)); + } qword_add(bpp, blen, im->m_class); qword_add(bpp, blen, text_addr); (*bpp)[-1] = '\n'; } -static struct ip_map *ip_map_lookup(char *class, struct in_addr addr); +static struct ip_map *ip_map_lookup(char *class, struct in6_addr *addr); static int ip_map_update(struct ip_map *ipm, struct unix_domain *udom, time_t expiry); static int ip_map_parse(struct cache_detail *cd, @@ -176,10 +186,10 @@ static int ip_map_parse(struct cache_detail *cd, * for scratch: */ char *buf = mesg; int len; - int b1,b2,b3,b4; + int b1, b2, b3, b4, b5, b6, b7, b8; char c; char class[8]; - struct in_addr addr; + struct in6_addr addr; int err; struct ip_map *ipmp; @@ -198,7 +208,23 @@ static int ip_map_parse(struct cache_detail *cd, len = qword_get(&mesg, buf, mlen); if (len <= 0) return -EINVAL; - if (sscanf(buf, "%u.%u.%u.%u%c", &b1, &b2, &b3, &b4, &c) != 4) + if (sscanf(buf, NIPQUAD_FMT "%c", &b1, &b2, &b3, &b4, &c) == 4) { + addr.s6_addr32[0] = 0; + addr.s6_addr32[1] = 0; + addr.s6_addr32[2] = htonl(0xffff); + addr.s6_addr32[3] = + htonl((((((b1<<8)|b2)<<8)|b3)<<8)|b4); + } else if (sscanf(buf, NIP6_FMT "%c", + &b1, &b2, &b3, &b4, &b5, &b6, &b7, &b8, &c) == 8) { + addr.s6_addr16[0] = htons(b1); + addr.s6_addr16[1] = htons(b2); + addr.s6_addr16[2] = htons(b3); + addr.s6_addr16[3] = htons(b4); + addr.s6_addr16[4] = htons(b5); + addr.s6_addr16[5] = htons(b6); + addr.s6_addr16[6] = htons(b7); + addr.s6_addr16[7] = htons(b8); + } else return -EINVAL; expiry = get_expiry(&mesg); @@ -216,10 +242,7 @@ static int ip_map_parse(struct cache_detail *cd, } else dom = NULL; - addr.s_addr = - htonl((((((b1<<8)|b2)<<8)|b3)<<8)|b4); - - ipmp = ip_map_lookup(class,addr); + ipmp = ip_map_lookup(class, &addr); if (ipmp) { err = ip_map_update(ipmp, container_of(dom, struct unix_domain, h), @@ -239,7 +262,7 @@ static int ip_map_show(struct seq_file *m, struct cache_head *h) { struct ip_map *im; - struct in_addr addr; + struct in6_addr addr; char *dom = "-no-domain-"; if (h == NULL) { @@ -248,20 +271,24 @@ static int ip_map_show(struct seq_file *m, } im = container_of(h, struct ip_map, h); /* class addr domain */ - addr = im->m_addr; + ipv6_addr_copy(&addr, &im->m_addr); if (test_bit(CACHE_VALID, &h->flags) && !test_bit(CACHE_NEGATIVE, &h->flags)) dom = im->m_client->h.name; - seq_printf(m, "%s %d.%d.%d.%d %s\n", - im->m_class, - ntohl(addr.s_addr) >> 24 & 0xff, - ntohl(addr.s_addr) >> 16 & 0xff, - ntohl(addr.s_addr) >> 8 & 0xff, - ntohl(addr.s_addr) >> 0 & 0xff, - dom - ); + if (ipv6_addr_v4mapped(&addr)) { + seq_printf(m, "%s" NIPQUAD_FMT "%s\n", + im->m_class, + ntohl(addr.s6_addr32[3]) >> 24 & 0xff, + ntohl(addr.s6_addr32[3]) >> 16 & 0xff, + ntohl(addr.s6_addr32[3]) >> 8 & 0xff, + ntohl(addr.s6_addr32[3]) >> 0 & 0xff, + dom); + } else { + seq_printf(m, "%s" NIP6_FMT "%s\n", + im->m_class, NIP6(addr), dom); + } return 0; } @@ -281,16 +308,16 @@ struct cache_detail ip_map_cache = { .alloc = ip_map_alloc, }; -static struct ip_map *ip_map_lookup(char *class, struct in_addr addr) +static struct ip_map *ip_map_lookup(char *class, struct in6_addr *addr) { struct ip_map ip; struct cache_head *ch; strcpy(ip.m_class, class); - ip.m_addr = addr; + ipv6_addr_copy(&ip.m_addr, addr); ch = sunrpc_cache_lookup(&ip_map_cache, &ip.h, hash_str(class, IP_HASHBITS) ^ - hash_ip(addr.s_addr)); + hash_ip6(*addr)); if (ch) return container_of(ch, struct ip_map, h); @@ -319,14 +346,14 @@ static int ip_map_update(struct ip_map *ipm, struct unix_domain *udom, time_t ex ch = sunrpc_cache_update(&ip_map_cache, &ip.h, &ipm->h, hash_str(ipm->m_class, IP_HASHBITS) ^ - hash_ip(ipm->m_addr.s_addr)); + hash_ip6(ipm->m_addr)); if (!ch) return -ENOMEM; cache_put(ch, &ip_map_cache); return 0; } -int auth_unix_add_addr(struct in_addr addr, struct auth_domain *dom) +int auth_unix_add_addr(struct in6_addr *addr, struct auth_domain *dom) { struct unix_domain *udom; struct ip_map *ipmp; @@ -355,7 +382,7 @@ int auth_unix_forget_old(struct auth_domain *dom) } EXPORT_SYMBOL(auth_unix_forget_old); -struct auth_domain *auth_unix_lookup(struct in_addr addr) +struct auth_domain *auth_unix_lookup(struct in6_addr *addr) { struct ip_map *ipm; struct auth_domain *rv; @@ -650,9 +677,24 @@ static int unix_gid_find(uid_t uid, struct group_info **gip, int svcauth_unix_set_client(struct svc_rqst *rqstp) { - struct sockaddr_in *sin = svc_addr_in(rqstp); + struct sockaddr_in *sin; + struct sockaddr_in6 *sin6, sin6_storage; struct ip_map *ipm; + switch (rqstp->rq_addr.ss_family) { + case AF_INET: + sin = svc_addr_in(rqstp); + sin6 = &sin6_storage; + ipv6_addr_set(&sin6->sin6_addr, 0, 0, + htonl(0x0000FFFF), sin->sin_addr.s_addr); + break; + case AF_INET6: + sin6 = svc_addr_in6(rqstp); + break; + default: + BUG(); + } + rqstp->rq_client = NULL; if (rqstp->rq_proc == 0) return SVC_OK; @@ -660,7 +702,7 @@ svcauth_unix_set_client(struct svc_rqst *rqstp) ipm = ip_map_cached_get(rqstp); if (ipm == NULL) ipm = ip_map_lookup(rqstp->rq_server->sv_program->pg_class, - sin->sin_addr); + &sin6->sin6_addr); if (ipm == NULL) return SVC_DENIED; -- cgit v1.2.3 From 67eb6ff610d50da231a37beb634d6dea4b5025ab Mon Sep 17 00:00:00 2001 From: "J. Bruce Fields" Date: Thu, 31 Jan 2008 16:14:54 -0500 Subject: svcrpc: move unused field from cache_deferred_req This field is set once and never used; probably some artifact of an earlier implementation idea. Signed-off-by: J. Bruce Fields --- net/sunrpc/cache.c | 1 - 1 file changed, 1 deletion(-) (limited to 'net') diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index b5f2786251b..d75530ff2a6 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -571,7 +571,6 @@ static int cache_defer_req(struct cache_req *req, struct cache_head *item) return -ETIMEDOUT; dreq->item = item; - dreq->recv_time = get_seconds(); spin_lock(&cache_defer_lock); -- cgit v1.2.3 From 7b54fe61ffd5bfa4e50d371a2415225aa0cbb38e Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Tue, 12 Feb 2008 11:47:24 -0500 Subject: SUNRPC: allow svc_recv to break out of 500ms sleep when alloc_page fails svc_recv() calls alloc_page(), and if it fails it does a 500ms uninterruptible sleep and then reattempts. There doesn't seem to be any real reason for this to be uninterruptible, so change it to an interruptible sleep. Also check for kthread_stop() and signalled() after setting the task state to avoid races that might lead to sleeping after kthread_stop() wakes up the task. I've done some very basic smoke testing with this, but obviously it's hard to test the actual changes since this all depends on an alloc_page() call failing. Signed-off-by: Jeff Layton Signed-off-by: J. Bruce Fields --- net/sunrpc/svc_xprt.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'net') diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c index 2e5d43c3914..d8e8d79a845 100644 --- a/net/sunrpc/svc_xprt.c +++ b/net/sunrpc/svc_xprt.c @@ -587,10 +587,12 @@ int svc_recv(struct svc_rqst *rqstp, long timeout) while (rqstp->rq_pages[i] == NULL) { struct page *p = alloc_page(GFP_KERNEL); if (!p) { - int j = msecs_to_jiffies(500); - if (kthread_should_stop()) + set_current_state(TASK_INTERRUPTIBLE); + if (signalled() || kthread_should_stop()) { + set_current_state(TASK_RUNNING); return -EINTR; - schedule_timeout_uninterruptible(j); + } + schedule_timeout(msecs_to_jiffies(500)); } rqstp->rq_pages[i] = p; } -- cgit v1.2.3 From dd35210e1e2cb46d6dba5c97f1bc3784c4f97998 Mon Sep 17 00:00:00 2001 From: Harshula Jayasuriya Date: Wed, 20 Feb 2008 10:56:56 +1100 Subject: sunrpc: GSS integrity and decryption failures should return GARBAGE_ARGS In function svcauth_gss_accept() (net/sunrpc/auth_gss/svcauth_gss.c) the code that handles GSS integrity and decryption failures should be returning GARBAGE_ARGS as specified in RFC 2203, sections 5.3.3.4.2 and 5.3.3.4.3. Reviewed-by: Greg Banks Signed-off-by: Harshula Jayasuriya Signed-off-by: J. Bruce Fields --- net/sunrpc/auth_gss/svcauth_gss.c | 9 +++++++-- net/sunrpc/svc.c | 3 +-- 2 files changed, 8 insertions(+), 4 deletions(-) (limited to 'net') diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c index 481f984e9a2..5905d56737d 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -1146,7 +1146,7 @@ svcauth_gss_accept(struct svc_rqst *rqstp, __be32 *authp) case RPC_GSS_SVC_INTEGRITY: if (unwrap_integ_data(&rqstp->rq_arg, gc->gc_seq, rsci->mechctx)) - goto auth_err; + goto garbage_args; /* placeholders for length and seq. number: */ svc_putnl(resv, 0); svc_putnl(resv, 0); @@ -1154,7 +1154,7 @@ svcauth_gss_accept(struct svc_rqst *rqstp, __be32 *authp) case RPC_GSS_SVC_PRIVACY: if (unwrap_priv_data(rqstp, &rqstp->rq_arg, gc->gc_seq, rsci->mechctx)) - goto auth_err; + goto garbage_args; /* placeholders for length and seq. number: */ svc_putnl(resv, 0); svc_putnl(resv, 0); @@ -1169,6 +1169,11 @@ svcauth_gss_accept(struct svc_rqst *rqstp, __be32 *authp) ret = SVC_OK; goto out; } +garbage_args: + /* Restore write pointer to its original value: */ + xdr_ressize_check(rqstp, reject_stat); + ret = SVC_GARBAGE; + goto out; auth_err: /* Restore write pointer to its original value: */ xdr_ressize_check(rqstp, reject_stat); diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index 090af78d68b..7efb5133eb7 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -921,8 +921,7 @@ svc_process(struct svc_rqst *rqstp) case SVC_OK: break; case SVC_GARBAGE: - rpc_stat = rpc_garbage_args; - goto err_bad; + goto err_garbage; case SVC_SYSERR: rpc_stat = rpc_system_err; goto err_bad; -- cgit v1.2.3 From 830bb59b6ece51c36dd456b685d145c69d3b7e1c Mon Sep 17 00:00:00 2001 From: Tom Tucker Date: Tue, 11 Mar 2008 12:44:27 -0500 Subject: SVCRDMA: Add check for XPT_CLOSE in svc_rdma_send SVCRDMA: Add check for XPT_CLOSE in svc_rdma_send The svcrdma transport can crash if a send is waiting for an empty SQ slot and the connection is closed due to an asynchronous error. The crash is caused when svc_rdma_send attempts to send on a deleted QP. Signed-off-by: Tom Tucker Signed-off-by: J. Bruce Fields --- net/sunrpc/xprtrdma/svc_rdma_transport.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'net') diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c index 16fd3f6718f..af408fc1263 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_transport.c +++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c @@ -1036,6 +1036,8 @@ int svc_rdma_send(struct svcxprt_rdma *xprt, struct ib_send_wr *wr) wait_event(xprt->sc_send_wait, atomic_read(&xprt->sc_sq_count) < xprt->sc_sq_depth); + if (test_bit(XPT_CLOSE, &xprt->sc_xprt.xpt_flags)) + return 0; continue; } /* Bumped used SQ WR count and post */ -- cgit v1.2.3 From 3d4a6886786f839976c36e62303507692bf87d8d Mon Sep 17 00:00:00 2001 From: Kevin Coffman Date: Thu, 21 Feb 2008 13:44:12 -0500 Subject: Correct grammer/typos in dprintks cleanup: Fix grammer/typos to use "too" instead of "to" Signed-off-by: Kevin Coffman Signed-off-by: J. Bruce Fields --- net/sunrpc/auth_gss/gss_krb5_crypto.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'net') diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c index 0dd792338fa..1d52308ca32 100644 --- a/net/sunrpc/auth_gss/gss_krb5_crypto.c +++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c @@ -66,8 +66,8 @@ krb5_encrypt( goto out; if (crypto_blkcipher_ivsize(tfm) > 16) { - dprintk("RPC: gss_k5encrypt: tfm iv size to large %d\n", - crypto_blkcipher_ivsize(tfm)); + dprintk("RPC: gss_k5encrypt: tfm iv size too large %d\n", + crypto_blkcipher_ivsize(tfm)); goto out; } @@ -102,7 +102,7 @@ krb5_decrypt( goto out; if (crypto_blkcipher_ivsize(tfm) > 16) { - dprintk("RPC: gss_k5decrypt: tfm iv size to large %d\n", + dprintk("RPC: gss_k5decrypt: tfm iv size too large %d\n", crypto_blkcipher_ivsize(tfm)); goto out; } -- cgit v1.2.3 From 30aef3166ab27f7bcb14c5e809205af8126fa10b Mon Sep 17 00:00:00 2001 From: Kevin Coffman Date: Thu, 21 Feb 2008 13:44:27 -0500 Subject: Remove define for KRB5_CKSUM_LENGTH, which will become enctype-dependent cleanup: When adding new encryption types, the checksum length can be different for each enctype. Face the fact that the current code only supports DES which has a checksum length of 8. Signed-off-by: Kevin Coffman Signed-off-by: J. Bruce Fields --- net/sunrpc/auth_gss/gss_krb5_seal.c | 3 +-- net/sunrpc/auth_gss/gss_krb5_wrap.c | 4 +--- 2 files changed, 2 insertions(+), 5 deletions(-) (limited to 'net') diff --git a/net/sunrpc/auth_gss/gss_krb5_seal.c b/net/sunrpc/auth_gss/gss_krb5_seal.c index dedcbd6108f..39c08b7e33a 100644 --- a/net/sunrpc/auth_gss/gss_krb5_seal.c +++ b/net/sunrpc/auth_gss/gss_krb5_seal.c @@ -109,8 +109,7 @@ gss_get_mic_kerberos(struct gss_ctx *gss_ctx, struct xdr_buf *text, md5cksum.data, md5cksum.len)) return GSS_S_FAILURE; - memcpy(krb5_hdr + 16, md5cksum.data + md5cksum.len - KRB5_CKSUM_LENGTH, - KRB5_CKSUM_LENGTH); + memcpy(krb5_hdr + 16, md5cksum.data + md5cksum.len - 8, 8); spin_lock(&krb5_seq_lock); seq_send = ctx->seq_send++; diff --git a/net/sunrpc/auth_gss/gss_krb5_wrap.c b/net/sunrpc/auth_gss/gss_krb5_wrap.c index 3bdc527ee64..3cd99a795d7 100644 --- a/net/sunrpc/auth_gss/gss_krb5_wrap.c +++ b/net/sunrpc/auth_gss/gss_krb5_wrap.c @@ -176,9 +176,7 @@ gss_wrap_kerberos(struct gss_ctx *ctx, int offset, if (krb5_encrypt(kctx->seq, NULL, md5cksum.data, md5cksum.data, md5cksum.len)) return GSS_S_FAILURE; - memcpy(krb5_hdr + 16, - md5cksum.data + md5cksum.len - KRB5_CKSUM_LENGTH, - KRB5_CKSUM_LENGTH); + memcpy(krb5_hdr + 16, md5cksum.data + md5cksum.len - 8, 8); spin_lock(&krb5_seq_lock); seq_send = kctx->seq_send++; -- cgit v1.2.3 From c3bb257d2d3a1a4e49372b9d74eaebe0fcf110dd Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Wed, 12 Mar 2008 14:04:25 -0700 Subject: net/sunrpc/svc.c: suppress unintialized var warning net/sunrpc/svc.c: In function '__svc_create_thread': net/sunrpc/svc.c:587: warning: 'oldmask.bits[0u]' may be used uninitialized in this function Cc: Neil Brown Cc: Trond Myklebust Cc: David S. Miller Cc: Tom Tucker Cc: Chuck Lever Signed-off-by: Andrew Morton Signed-off-by: J. Bruce Fields --- net/sunrpc/svc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net') diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index 7efb5133eb7..a6e68190e0d 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -590,7 +590,7 @@ __svc_create_thread(svc_thread_fn func, struct svc_serv *serv, struct svc_rqst *rqstp; int error = -ENOMEM; int have_oldmask = 0; - cpumask_t oldmask; + cpumask_t uninitialized_var(oldmask); rqstp = svc_prepare_thread(serv, pool); if (IS_ERR(rqstp)) { -- cgit v1.2.3 From 5743d65c2f77d5145fb4c4262c4dd70c3f078776 Mon Sep 17 00:00:00 2001 From: Kevin Coffman Date: Mon, 31 Mar 2008 10:31:33 -0400 Subject: gss_krb5: consistently use unsigned for seqnum Consistently use unsigned (u32 vs. s32) for seqnum. In get_mic function, send the local copy of seq_send, rather than the context version. Signed-off-by: Kevin Coffman Signed-off-by: J. Bruce Fields --- net/sunrpc/auth_gss/gss_krb5_seal.c | 2 +- net/sunrpc/auth_gss/gss_krb5_seqnum.c | 4 ++-- net/sunrpc/auth_gss/gss_krb5_unseal.c | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-) (limited to 'net') diff --git a/net/sunrpc/auth_gss/gss_krb5_seal.c b/net/sunrpc/auth_gss/gss_krb5_seal.c index 39c08b7e33a..8e3c87df583 100644 --- a/net/sunrpc/auth_gss/gss_krb5_seal.c +++ b/net/sunrpc/auth_gss/gss_krb5_seal.c @@ -116,7 +116,7 @@ gss_get_mic_kerberos(struct gss_ctx *gss_ctx, struct xdr_buf *text, spin_unlock(&krb5_seq_lock); if (krb5_make_seq_num(ctx->seq, ctx->initiate ? 0 : 0xff, - ctx->seq_send, krb5_hdr + 16, krb5_hdr + 8)) + seq_send, krb5_hdr + 16, krb5_hdr + 8)) return GSS_S_FAILURE; return (ctx->endtime < now) ? GSS_S_CONTEXT_EXPIRED : GSS_S_COMPLETE; diff --git a/net/sunrpc/auth_gss/gss_krb5_seqnum.c b/net/sunrpc/auth_gss/gss_krb5_seqnum.c index 43f3421f1e6..f160be6c1a4 100644 --- a/net/sunrpc/auth_gss/gss_krb5_seqnum.c +++ b/net/sunrpc/auth_gss/gss_krb5_seqnum.c @@ -43,7 +43,7 @@ s32 krb5_make_seq_num(struct crypto_blkcipher *key, int direction, - s32 seqnum, + u32 seqnum, unsigned char *cksum, unsigned char *buf) { unsigned char plain[8]; @@ -65,7 +65,7 @@ s32 krb5_get_seq_num(struct crypto_blkcipher *key, unsigned char *cksum, unsigned char *buf, - int *direction, s32 * seqnum) + int *direction, u32 *seqnum) { s32 code; unsigned char plain[8]; diff --git a/net/sunrpc/auth_gss/gss_krb5_unseal.c b/net/sunrpc/auth_gss/gss_krb5_unseal.c index e30a993466b..d91a5d00480 100644 --- a/net/sunrpc/auth_gss/gss_krb5_unseal.c +++ b/net/sunrpc/auth_gss/gss_krb5_unseal.c @@ -82,7 +82,7 @@ gss_verify_mic_kerberos(struct gss_ctx *gss_ctx, struct xdr_netobj md5cksum = {.len = 0, .data = cksumdata}; s32 now; int direction; - s32 seqnum; + u32 seqnum; unsigned char *ptr = (unsigned char *)read_token->data; int bodysize; -- cgit v1.2.3 From 4ab4b0bedda7d41c63cef98cd5d6cabada460936 Mon Sep 17 00:00:00 2001 From: Kevin Coffman Date: Mon, 31 Mar 2008 10:31:44 -0400 Subject: sunrpc: make token header values less confusing g_make_token_header() and g_token_size() add two too many, and therefore their callers pass in "(logical_value - 2)" rather than "logical_value" as hard-coded values which causes confusion. This dates back to the original g_make_token_header which took an optional token type (token_id) value and added it to the token. This was removed, but the routine always adds room for the token_id rather than not. Signed-off-by: Kevin Coffman Signed-off-by: J. Bruce Fields --- net/sunrpc/auth_gss/gss_generic_token.c | 4 ++-- net/sunrpc/auth_gss/gss_krb5_seal.c | 4 ++-- net/sunrpc/auth_gss/gss_krb5_wrap.c | 4 ++-- net/sunrpc/auth_gss/gss_spkm3_seal.c | 4 ++-- 4 files changed, 8 insertions(+), 8 deletions(-) (limited to 'net') diff --git a/net/sunrpc/auth_gss/gss_generic_token.c b/net/sunrpc/auth_gss/gss_generic_token.c index ea8c92ecdae..d83b881685f 100644 --- a/net/sunrpc/auth_gss/gss_generic_token.c +++ b/net/sunrpc/auth_gss/gss_generic_token.c @@ -148,7 +148,7 @@ int g_token_size(struct xdr_netobj *mech, unsigned int body_size) { /* set body_size to sequence contents size */ - body_size += 4 + (int) mech->len; /* NEED overflow check */ + body_size += 2 + (int) mech->len; /* NEED overflow check */ return(1 + der_length_size(body_size) + body_size); } @@ -161,7 +161,7 @@ void g_make_token_header(struct xdr_netobj *mech, int body_size, unsigned char **buf) { *(*buf)++ = 0x60; - der_write_length(buf, 4 + mech->len + body_size); + der_write_length(buf, 2 + mech->len + body_size); *(*buf)++ = 0x06; *(*buf)++ = (unsigned char) mech->len; TWRITE_STR(*buf, mech->data, ((int) mech->len)); diff --git a/net/sunrpc/auth_gss/gss_krb5_seal.c b/net/sunrpc/auth_gss/gss_krb5_seal.c index 8e3c87df583..5f1d36dfbcf 100644 --- a/net/sunrpc/auth_gss/gss_krb5_seal.c +++ b/net/sunrpc/auth_gss/gss_krb5_seal.c @@ -87,10 +87,10 @@ gss_get_mic_kerberos(struct gss_ctx *gss_ctx, struct xdr_buf *text, now = get_seconds(); - token->len = g_token_size(&ctx->mech_used, 22); + token->len = g_token_size(&ctx->mech_used, 24); ptr = token->data; - g_make_token_header(&ctx->mech_used, 22, &ptr); + g_make_token_header(&ctx->mech_used, 24, &ptr); *ptr++ = (unsigned char) ((KG_TOK_MIC_MSG>>8)&0xff); *ptr++ = (unsigned char) (KG_TOK_MIC_MSG&0xff); diff --git a/net/sunrpc/auth_gss/gss_krb5_wrap.c b/net/sunrpc/auth_gss/gss_krb5_wrap.c index 3cd99a795d7..b00b1b42630 100644 --- a/net/sunrpc/auth_gss/gss_krb5_wrap.c +++ b/net/sunrpc/auth_gss/gss_krb5_wrap.c @@ -137,7 +137,7 @@ gss_wrap_kerberos(struct gss_ctx *ctx, int offset, BUG_ON((buf->len - offset) % blocksize); plainlen = blocksize + buf->len - offset; - headlen = g_token_size(&kctx->mech_used, 22 + plainlen) - + headlen = g_token_size(&kctx->mech_used, 24 + plainlen) - (buf->len - offset); ptr = buf->head[0].iov_base + offset; @@ -149,7 +149,7 @@ gss_wrap_kerberos(struct gss_ctx *ctx, int offset, buf->len += headlen; BUG_ON((buf->len - offset - headlen) % blocksize); - g_make_token_header(&kctx->mech_used, 22 + plainlen, &ptr); + g_make_token_header(&kctx->mech_used, 24 + plainlen, &ptr); *ptr++ = (unsigned char) ((KG_TOK_WRAP_MSG>>8)&0xff); diff --git a/net/sunrpc/auth_gss/gss_spkm3_seal.c b/net/sunrpc/auth_gss/gss_spkm3_seal.c index abf17ce2e3b..c832712f8d5 100644 --- a/net/sunrpc/auth_gss/gss_spkm3_seal.c +++ b/net/sunrpc/auth_gss/gss_spkm3_seal.c @@ -107,10 +107,10 @@ spkm3_make_token(struct spkm3_ctx *ctx, tokenlen = 10 + ctxelen + 1 + md5elen + 1; /* Create token header using generic routines */ - token->len = g_token_size(&ctx->mech_used, tokenlen); + token->len = g_token_size(&ctx->mech_used, tokenlen + 2); ptr = token->data; - g_make_token_header(&ctx->mech_used, tokenlen, &ptr); + g_make_token_header(&ctx->mech_used, tokenlen + 2, &ptr); spkm3_make_mic_token(&ptr, tokenlen, &mic_hdr, &md5cksum, md5elen, md5zbit); } else if (toktype == SPKM_WRAP_TOK) { /* Not Supported */ -- cgit v1.2.3 From 8774282c4cef82695ccca8bd09976de5d6e49610 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Mon, 7 Apr 2008 16:45:37 -0400 Subject: SUNRPC: remove svc_create_thread() Now that the nfs4 callback thread uses the kthread API, there are no more users of svc_create_thread(). Remove it. Signed-off-by: Jeff Layton Signed-off-by: J. Bruce Fields --- net/sunrpc/svc.c | 10 ---------- 1 file changed, 10 deletions(-) (limited to 'net') diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index a6e68190e0d..e7b716c7636 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -618,16 +618,6 @@ out_thread: goto out; } -/* - * Create a thread in the default pool. Caller must hold BKL. - */ -int -svc_create_thread(svc_thread_fn func, struct svc_serv *serv) -{ - return __svc_create_thread(func, serv, &serv->sv_pools[0]); -} -EXPORT_SYMBOL(svc_create_thread); - /* * Choose a pool in which to create a new thread, for svc_set_num_threads */ -- cgit v1.2.3 From b7872fe86db78cc96c85a13338ea6e3fe1aef610 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Mon, 14 Apr 2008 12:27:01 -0400 Subject: SUNRPC: RPC server still uses 2.4 method for disabling TCP Nagle Use the 2.6 method for disabling TCP Nagle in the kernel's RPC server. Signed-off-by: Chuck Lever Signed-off-by: J. Bruce Fields --- net/sunrpc/svcsock.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'net') diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index a45c378250b..8b1bda3ea5c 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -38,6 +38,7 @@ #include #include #include +#include #include #include #include @@ -1045,7 +1046,6 @@ void svc_cleanup_xprt_sock(void) static void svc_tcp_init(struct svc_sock *svsk, struct svc_serv *serv) { struct sock *sk = svsk->sk_sk; - struct tcp_sock *tp = tcp_sk(sk); svc_xprt_init(&svc_tcp_class, &svsk->sk_xprt, serv); set_bit(XPT_CACHE_AUTH, &svsk->sk_xprt.xpt_flags); @@ -1063,7 +1063,7 @@ static void svc_tcp_init(struct svc_sock *svsk, struct svc_serv *serv) svsk->sk_reclen = 0; svsk->sk_tcplen = 0; - tp->nonagle = 1; /* disable Nagle's algorithm */ + tcp_sk(sk)->nonagle |= TCP_NAGLE_OFF; /* initialise setting must have enough space to * receive and respond to one request. -- cgit v1.2.3 From c0401ea008fb7c785a93428752d69dccafb127ec Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Mon, 14 Apr 2008 12:27:30 -0400 Subject: SUNRPC: Update RPC server's TCP record marker decoder Clean up: Update the RPC server's TCP record marker decoder to match the constructs used by the RPC client's TCP socket transport. Signed-off-by: Chuck Lever Signed-off-by: J. Bruce Fields --- net/sunrpc/svcsock.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) (limited to 'net') diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 8b1bda3ea5c..3e65719f1ef 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -46,6 +46,7 @@ #include #include #include +#include #include #include @@ -823,8 +824,8 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp) * the next four bytes. Otherwise try to gobble up as much as * possible up to the complete record length. */ - if (svsk->sk_tcplen < 4) { - unsigned long want = 4 - svsk->sk_tcplen; + if (svsk->sk_tcplen < sizeof(rpc_fraghdr)) { + int want = sizeof(rpc_fraghdr) - svsk->sk_tcplen; struct kvec iov; iov.iov_base = ((char *) &svsk->sk_reclen) + svsk->sk_tcplen; @@ -834,32 +835,31 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp) svsk->sk_tcplen += len; if (len < want) { - dprintk("svc: short recvfrom while reading record length (%d of %lu)\n", - len, want); + dprintk("svc: short recvfrom while reading record " + "length (%d of %d)\n", len, want); svc_xprt_received(&svsk->sk_xprt); return -EAGAIN; /* record header not complete */ } svsk->sk_reclen = ntohl(svsk->sk_reclen); - if (!(svsk->sk_reclen & 0x80000000)) { + if (!(svsk->sk_reclen & RPC_LAST_STREAM_FRAGMENT)) { /* FIXME: technically, a record can be fragmented, * and non-terminal fragments will not have the top * bit set in the fragment length header. * But apparently no known nfs clients send fragmented * records. */ if (net_ratelimit()) - printk(KERN_NOTICE "RPC: bad TCP reclen 0x%08lx" - " (non-terminal)\n", - (unsigned long) svsk->sk_reclen); + printk(KERN_NOTICE "RPC: multiple fragments " + "per record not supported\n"); goto err_delete; } - svsk->sk_reclen &= 0x7fffffff; + svsk->sk_reclen &= RPC_FRAGMENT_SIZE_MASK; dprintk("svc: TCP record, %d bytes\n", svsk->sk_reclen); if (svsk->sk_reclen > serv->sv_max_mesg) { if (net_ratelimit()) - printk(KERN_NOTICE "RPC: bad TCP reclen 0x%08lx" - " (large)\n", - (unsigned long) svsk->sk_reclen); + printk(KERN_NOTICE "RPC: " + "fragment too large: 0x%08lx\n", + (unsigned long)svsk->sk_reclen); goto err_delete; } } -- cgit v1.2.3 From 50c8bb13eaaf345caf2e7966667ba1d3e4d68af2 Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Mon, 14 Apr 2008 12:27:45 -0400 Subject: SUNRPC: Use unsigned index when looping over arrays Clean up: Suppress a harmless compiler warning in the RPC server related to array indices. ARRAY_SIZE() returns a size_t, so use unsigned type for a loop index when looping over arrays. Signed-off-by: Chuck Lever Signed-off-by: J. Bruce Fields --- net/sunrpc/svc.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'net') diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index e7b716c7636..bf46186ddf9 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -534,8 +534,9 @@ svc_init_buffer(struct svc_rqst *rqstp, unsigned int size) static void svc_release_buffer(struct svc_rqst *rqstp) { - int i; - for (i=0; irq_pages); i++) + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(rqstp->rq_pages); i++) if (rqstp->rq_pages[i]) put_page(rqstp->rq_pages[i]); } -- cgit v1.2.3 From 0dc220f0815497858db539d27947f3ec83202ace Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Mon, 14 Apr 2008 12:27:52 -0400 Subject: SUNRPC: Use unsigned loop and array index in svc_init_buffer() Clean up: Suppress a harmless compiler warning. Index rq_pages[] with an unsigned type. Make "pages" unsigned as well, as it never represents a value less than zero. Signed-off-by: Chuck Lever Signed-off-by: J. Bruce Fields --- net/sunrpc/svc.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'net') diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c index bf46186ddf9..d74c2d26953 100644 --- a/net/sunrpc/svc.c +++ b/net/sunrpc/svc.c @@ -510,8 +510,7 @@ EXPORT_SYMBOL(svc_destroy); static int svc_init_buffer(struct svc_rqst *rqstp, unsigned int size) { - int pages; - int arghi; + unsigned int pages, arghi; pages = size / PAGE_SIZE + 1; /* extra page as we hold both request and reply. * We assume one is at most one page @@ -525,7 +524,7 @@ svc_init_buffer(struct svc_rqst *rqstp, unsigned int size) rqstp->rq_pages[arghi++] = p; pages--; } - return ! pages; + return pages == 0; } /* -- cgit v1.2.3