diff options
| -rw-r--r-- | net/dccp/ccid.h | 18 | ||||
| -rw-r--r-- | net/dccp/probe.c | 7 | ||||
| -rw-r--r-- | net/dccp/proto.c | 10 |
3 files changed, 30 insertions, 5 deletions
diff --git a/net/dccp/ccid.h b/net/dccp/ccid.h index 259f5469d7d..803343aed00 100644 --- a/net/dccp/ccid.h +++ b/net/dccp/ccid.h @@ -116,6 +116,24 @@ extern struct ccid *ccid_hc_rx_new(unsigned char id, struct sock *sk, extern struct ccid *ccid_hc_tx_new(unsigned char id, struct sock *sk, gfp_t gfp); +static inline int ccid_get_current_rx_ccid(struct dccp_sock *dp) +{ + struct ccid *ccid = dp->dccps_hc_rx_ccid; + + if (ccid == NULL || ccid->ccid_ops == NULL) + return -1; + return ccid->ccid_ops->ccid_id; +} + +static inline int ccid_get_current_tx_ccid(struct dccp_sock *dp) +{ + struct ccid *ccid = dp->dccps_hc_tx_ccid; + + if (ccid == NULL || ccid->ccid_ops == NULL) + return -1; + return ccid->ccid_ops->ccid_id; +} + extern void ccid_hc_rx_delete(struct ccid *ccid, struct sock *sk); extern void ccid_hc_tx_delete(struct ccid *ccid, struct sock *sk); diff --git a/net/dccp/probe.c b/net/dccp/probe.c index 81368a7f537..9ca783d7467 100644 --- a/net/dccp/probe.c +++ b/net/dccp/probe.c @@ -74,14 +74,11 @@ static void printl(const char *fmt, ...) static int jdccp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, size_t size) { - const struct dccp_minisock *dmsk = dccp_msk(sk); const struct inet_sock *inet = inet_sk(sk); - const struct ccid3_hc_tx_sock *hctx; + struct ccid3_hc_tx_sock *hctx = NULL; - if (dmsk->dccpms_tx_ccid == DCCPC_CCID3) + if (ccid_get_current_tx_ccid(dccp_sk(sk)) == DCCPC_CCID3) hctx = ccid3_hc_tx_sk(sk); - else - hctx = NULL; if (port == 0 || ntohs(inet->dport) == port || ntohs(inet->sport) == port) { diff --git a/net/dccp/proto.c b/net/dccp/proto.c index 2cd56df44d8..6550452d59e 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -667,6 +667,16 @@ static int do_dccp_getsockopt(struct sock *sk, int level, int optname, break; case DCCP_SOCKOPT_AVAILABLE_CCIDS: return ccid_getsockopt_builtin_ccids(sk, len, optval, optlen); + case DCCP_SOCKOPT_TX_CCID: + val = ccid_get_current_tx_ccid(dp); + if (val < 0) + return -ENOPROTOOPT; + break; + case DCCP_SOCKOPT_RX_CCID: + val = ccid_get_current_rx_ccid(dp); + if (val < 0) + return -ENOPROTOOPT; + break; case DCCP_SOCKOPT_SERVER_TIMEWAIT: val = dp->dccps_server_timewait; break; |