diff options
author | Kumar Gala <galak@kernel.crashing.org> | 2007-02-12 23:57:21 -0600 |
---|---|---|
committer | Kumar Gala <galak@kernel.crashing.org> | 2007-02-12 23:57:21 -0600 |
commit | 54c66f6d781e03dc0b23956234963c4911e6d1c0 (patch) | |
tree | 40619a66ae6d8703a57bf681d087ffeabbffd346 /net/sctp/sm_make_chunk.c | |
parent | 8ce0a7df6e6117d8814e976d4b7ce6a6b2c9cf93 (diff) | |
parent | 17e0e27020d028a790d97699aff85a43af5be472 (diff) |
Merge branch 'master' into 85xx
Diffstat (limited to 'net/sctp/sm_make_chunk.c')
-rw-r--r-- | net/sctp/sm_make_chunk.c | 91 |
1 files changed, 45 insertions, 46 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 0b1ddb1005a..f7fb29d5a0c 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -118,7 +118,7 @@ void sctp_init_cause(struct sctp_chunk *chunk, __be16 cause_code, int padlen; __u16 len; - /* Cause code constants are now defined in network order. */ + /* Cause code constants are now defined in network order. */ err.cause = cause_code; len = sizeof(sctp_errhdr_t) + paylen; padlen = len % 4; @@ -295,11 +295,11 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc, */ chunksize = sizeof(initack) + addrs_len + cookie_len + unkparam_len; - /* Tell peer that we'll do ECN only if peer advertised such cap. */ + /* Tell peer that we'll do ECN only if peer advertised such cap. */ if (asoc->peer.ecn_capable) chunksize += sizeof(ecap_param); - /* Tell peer that we'll do PR-SCTP only if peer advertised. */ + /* Tell peer that we'll do PR-SCTP only if peer advertised. */ if (asoc->peer.prsctp_capable) chunksize += sizeof(prsctp_param); @@ -728,7 +728,7 @@ struct sctp_chunk *sctp_make_shutdown_complete( if (retval && chunk) retval->transport = chunk->transport; - return retval; + return retval; } /* Create an ABORT. Note that we set the T bit if we have no @@ -844,7 +844,7 @@ err_chunk: return retval; } -/* Make an ABORT chunk with a PROTOCOL VIOLATION cause code. */ +/* Make an ABORT chunk with a PROTOCOL VIOLATION cause code. */ struct sctp_chunk *sctp_make_abort_violation( const struct sctp_association *asoc, const struct sctp_chunk *chunk, @@ -979,11 +979,10 @@ struct sctp_chunk *sctp_chunkify(struct sk_buff *skb, { struct sctp_chunk *retval; - retval = kmem_cache_alloc(sctp_chunk_cachep, GFP_ATOMIC); + retval = kmem_cache_zalloc(sctp_chunk_cachep, GFP_ATOMIC); if (!retval) goto nodata; - memset(retval, 0, sizeof(struct sctp_chunk)); if (!sk) { SCTP_DEBUG_PRINTK("chunkifying skb %p w/o an sk\n", skb); @@ -1265,8 +1264,8 @@ static sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep, /* Header size is static data prior to the actual cookie, including * any padding. */ - headersize = sizeof(sctp_paramhdr_t) + - (sizeof(struct sctp_signed_cookie) - + headersize = sizeof(sctp_paramhdr_t) + + (sizeof(struct sctp_signed_cookie) - sizeof(struct sctp_cookie)); bodysize = sizeof(struct sctp_cookie) + ntohs(init_chunk->chunk_hdr->length) + addrs_len; @@ -1315,7 +1314,7 @@ static sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep, memcpy((__u8 *)&cookie->c.peer_init[0] + ntohs(init_chunk->chunk_hdr->length), raw_addrs, addrs_len); - if (sctp_sk(ep->base.sk)->hmac) { + if (sctp_sk(ep->base.sk)->hmac) { struct hash_desc desc; /* Sign the message. */ @@ -1324,8 +1323,8 @@ static sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep, sg.length = bodysize; keylen = SCTP_SECRET_SIZE; key = (char *)ep->secret_key[ep->current_key]; - desc.tfm = sctp_sk(ep->base.sk)->hmac; - desc.flags = 0; + desc.tfm = sctp_sk(ep->base.sk)->hmac; + desc.flags = 0; if (crypto_hash_setkey(desc.tfm, key, keylen) || crypto_hash_digest(&desc, &sg, bodysize, cookie->signature)) @@ -1365,7 +1364,7 @@ struct sctp_association *sctp_unpack_cookie( * any padding. */ headersize = sizeof(sctp_chunkhdr_t) + - (sizeof(struct sctp_signed_cookie) - + (sizeof(struct sctp_signed_cookie) - sizeof(struct sctp_cookie)); bodysize = ntohs(chunk->chunk_hdr->length) - headersize; fixed_size = headersize + sizeof(struct sctp_cookie); @@ -1593,7 +1592,7 @@ static int sctp_process_inv_paramlength(const struct sctp_association *asoc, struct sctp_chunk **errp) { char error[] = "The following parameter had invalid length:"; - size_t payload_len = WORD_ROUND(sizeof(error)) + + size_t payload_len = WORD_ROUND(sizeof(error)) + sizeof(sctp_paramhdr_t); @@ -1752,7 +1751,7 @@ static int sctp_verify_param(const struct sctp_association *asoc, case SCTP_PARAM_FWD_TSN_SUPPORT: if (sctp_prsctp_enable) break; - /* Fall Through */ + /* Fall Through */ default: SCTP_DEBUG_PRINTK("Unrecognized param: %d for chunk %d.\n", ntohs(param.p->type), cid); @@ -1861,7 +1860,7 @@ int sctp_process_init(struct sctp_association *asoc, sctp_cid_t cid, sctp_walk_params(param, peer_init, init_hdr.params) { if (!sctp_process_param(asoc, param, peer_addr, gfp)) - goto clean_up; + goto clean_up; } /* Walk list of transports, removing transports in the UNKNOWN state. */ @@ -1937,7 +1936,7 @@ int sctp_process_init(struct sctp_association *asoc, sctp_cid_t cid, */ /* Allocate storage for the negotiated streams if it is not a temporary - * association. + * association. */ if (!asoc->temp) { int assoc_id; @@ -2109,7 +2108,7 @@ static int sctp_process_param(struct sctp_association *asoc, asoc->peer.prsctp_capable = 1; break; } - /* Fall Through */ + /* Fall Through */ default: /* Any unrecognized parameters should have been caught * and handled by sctp_verify_param() which should be @@ -2168,7 +2167,7 @@ __u32 sctp_generate_tsn(const struct sctp_endpoint *ep) * | ASCONF Parameter #N | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * - * Address Parameter and other parameter will not be wrapped in this function + * Address Parameter and other parameter will not be wrapped in this function */ static struct sctp_chunk *sctp_make_asconf(struct sctp_association *asoc, union sctp_addr *addr, @@ -2290,7 +2289,7 @@ struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *asoc, * | Address Parameter | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * - * Create an ASCONF chunk with Set Primary IP address parameter. + * Create an ASCONF chunk with Set Primary IP address parameter. */ struct sctp_chunk *sctp_make_asconf_set_prim(struct sctp_association *asoc, union sctp_addr *addr) @@ -2339,7 +2338,7 @@ struct sctp_chunk *sctp_make_asconf_set_prim(struct sctp_association *asoc, * | ASCONF Parameter Response#N | * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ * - * Create an ASCONF_ACK chunk with enough space for the parameter responses. + * Create an ASCONF_ACK chunk with enough space for the parameter responses. */ static struct sctp_chunk *sctp_make_asconf_ack(const struct sctp_association *asoc, __u32 serial, int vparam_len) @@ -2381,7 +2380,7 @@ static void sctp_add_asconf_response(struct sctp_chunk *chunk, __be32 crr_id, ntohs(asconf_param->param_hdr.length); } - /* Add Success Indication or Error Cause Indication parameter. */ + /* Add Success Indication or Error Cause Indication parameter. */ ack_param.param_hdr.type = response_type; ack_param.param_hdr.length = htons(sizeof(ack_param) + err_param_len + @@ -2424,11 +2423,11 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc, switch (asconf_param->param_hdr.type) { case SCTP_PARAM_ADD_IP: /* ADDIP 4.3 D9) If an endpoint receives an ADD IP address - * request and does not have the local resources to add this - * new address to the association, it MUST return an Error - * Cause TLV set to the new error code 'Operation Refused - * Due to Resource Shortage'. - */ + * request and does not have the local resources to add this + * new address to the association, it MUST return an Error + * Cause TLV set to the new error code 'Operation Refused + * Due to Resource Shortage'. + */ peer = sctp_assoc_add_peer(asoc, &addr, GFP_ATOMIC, SCTP_UNCONFIRMED); if (!peer) @@ -2440,10 +2439,10 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc, break; case SCTP_PARAM_DEL_IP: /* ADDIP 4.3 D7) If a request is received to delete the - * last remaining IP address of a peer endpoint, the receiver - * MUST send an Error Cause TLV with the error cause set to the - * new error code 'Request to Delete Last Remaining IP Address'. - */ + * last remaining IP address of a peer endpoint, the receiver + * MUST send an Error Cause TLV with the error cause set to the + * new error code 'Request to Delete Last Remaining IP Address'. + */ pos = asoc->peer.transport_addr_list.next; if (pos->next == &asoc->peer.transport_addr_list) return SCTP_ERROR_DEL_LAST_IP; @@ -2475,7 +2474,7 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc, return SCTP_ERROR_NO_ERROR; } -/* Process an incoming ASCONF chunk with the next expected serial no. and +/* Process an incoming ASCONF chunk with the next expected serial no. and * return an ASCONF_ACK chunk to be sent in response. */ struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc, @@ -2495,19 +2494,19 @@ struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc, hdr = (sctp_addiphdr_t *)asconf->skb->data; serial = ntohl(hdr->serial); - /* Skip the addiphdr and store a pointer to address parameter. */ + /* Skip the addiphdr and store a pointer to address parameter. */ length = sizeof(sctp_addiphdr_t); addr_param = (union sctp_addr_param *)(asconf->skb->data + length); chunk_len -= length; /* Skip the address parameter and store a pointer to the first * asconf paramter. - */ + */ length = ntohs(addr_param->v4.param_hdr.length); asconf_param = (sctp_addip_param_t *)((void *)addr_param + length); chunk_len -= length; - /* create an ASCONF_ACK chunk. + /* create an ASCONF_ACK chunk. * Based on the definitions of parameters, we know that the size of * ASCONF_ACK parameters are less than or equal to the twice of ASCONF * paramters. @@ -2538,7 +2537,7 @@ struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc, /* ADDIP 4.3 D11) When an endpoint receiving an ASCONF to add * an IP address sends an 'Out of Resource' in its response, it * MUST also fail any subsequent add or delete requests bundled - * in the ASCONF. + * in the ASCONF. */ if (SCTP_ERROR_RSRC_LOW == err_code) goto done; @@ -2549,12 +2548,12 @@ struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc, length); chunk_len -= length; } - + done: asoc->peer.addip_serial++; /* If we are sending a new ASCONF_ACK hold a reference to it in assoc - * after freeing the reference to old asconf ack if any. + * after freeing the reference to old asconf ack if any. */ if (asconf_ack) { if (asoc->addip_last_asconf_ack) @@ -2622,7 +2621,7 @@ static int sctp_asconf_param_success(struct sctp_association *asoc, /* Get the corresponding ASCONF response error code from the ASCONF_ACK chunk * for the given asconf parameter. If there is no response for this parameter, - * return the error code based on the third argument 'no_err'. + * return the error code based on the third argument 'no_err'. * ADDIP 4.1 * A7) If an error response is received for a TLV parameter, all TLVs with no * response before the failed TLV are considered successful if not reported. @@ -2646,7 +2645,7 @@ static __be16 sctp_get_asconf_response(struct sctp_chunk *asconf_ack, /* Skip the addiphdr from the asconf_ack chunk and store a pointer to * the first asconf_ack parameter. - */ + */ length = sizeof(sctp_addiphdr_t); asconf_ack_param = (sctp_addip_param_t *)(asconf_ack->skb->data + length); @@ -2697,14 +2696,14 @@ int sctp_process_asconf_ack(struct sctp_association *asoc, /* Skip the chunkhdr and addiphdr from the last asconf sent and store * a pointer to address parameter. - */ + */ length = sizeof(sctp_addip_chunk_t); addr_param = (union sctp_addr_param *)(asconf->skb->data + length); asconf_len -= length; /* Skip the address parameter in the last asconf sent and store a * pointer to the first asconf paramter. - */ + */ length = ntohs(addr_param->v4.param_hdr.length); asconf_param = (sctp_addip_param_t *)((void *)addr_param + length); asconf_len -= length; @@ -2741,7 +2740,7 @@ int sctp_process_asconf_ack(struct sctp_association *asoc, case SCTP_ERROR_INV_PARAM: /* Disable sending this type of asconf parameter in * future. - */ + */ asoc->peer.addip_disabled_mask |= asconf_param->param_hdr.type; break; @@ -2755,7 +2754,7 @@ int sctp_process_asconf_ack(struct sctp_association *asoc, /* Skip the processed asconf parameter and move to the next * one. - */ + */ length = ntohs(asconf_param->param_hdr.length); asconf_param = (sctp_addip_param_t *)((void *)asconf_param + length); @@ -2784,14 +2783,14 @@ int sctp_process_asconf_ack(struct sctp_association *asoc, return retval; } -/* Make a FWD TSN chunk. */ +/* Make a FWD TSN chunk. */ struct sctp_chunk *sctp_make_fwdtsn(const struct sctp_association *asoc, __u32 new_cum_tsn, size_t nstreams, struct sctp_fwdtsn_skip *skiplist) { struct sctp_chunk *retval = NULL; struct sctp_fwdtsn_chunk *ftsn_chunk; - struct sctp_fwdtsn_hdr ftsn_hdr; + struct sctp_fwdtsn_hdr ftsn_hdr; struct sctp_fwdtsn_skip skip; size_t hint; int i; |