diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/kcm/kcmproc.c | 20 | ||||
-rw-r--r-- | net/kcm/kcmsock.c | 13 | ||||
-rw-r--r-- | net/strparser/strparser.c | 11 |
3 files changed, 34 insertions, 10 deletions
diff --git a/net/kcm/kcmproc.c b/net/kcm/kcmproc.c index 47e4453..bf75c92 100644 --- a/net/kcm/kcmproc.c +++ b/net/kcm/kcmproc.c @@ -173,14 +173,24 @@ static void kcm_format_psock(struct kcm_psock *psock, struct seq_file *seq, if (psock->strp.rx_stopped) seq_puts(seq, "RxStop "); - if (psock->strp.rx_paused) - seq_puts(seq, "RxPause "); - if (psock->tx_kcm) seq_printf(seq, "Rsvd-%d ", psock->tx_kcm->index); - if (psock->ready_rx_msg) - seq_puts(seq, "RdyRx "); + if (!psock->strp.rx_paused && !psock->ready_rx_msg) { + if (psock->sk->sk_receive_queue.qlen) { + if (psock->strp.rx_need_bytes) + seq_printf(seq, "RxWait=%u ", + psock->strp.rx_need_bytes); + else + seq_printf(seq, "RxWait "); + } + } else { + if (psock->strp.rx_paused) + seq_puts(seq, "RxPause "); + + if (psock->ready_rx_msg) + seq_puts(seq, "RdyRx "); + } seq_puts(seq, "\n"); } diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c index eedbe40..eb731ca 100644 --- a/net/kcm/kcmsock.c +++ b/net/kcm/kcmsock.c @@ -1477,12 +1477,13 @@ out: return err; } -/* Lower socket lock held */ static void kcm_unattach(struct kcm_psock *psock) { struct sock *csk = psock->sk; struct kcm_mux *mux = psock->mux; + lock_sock(csk); + /* Stop getting callbacks from TCP socket. After this there should * be no way to reserve a kcm for this psock. */ @@ -1514,7 +1515,10 @@ static void kcm_unattach(struct kcm_psock *psock) write_unlock_bh(&csk->sk_callback_lock); + /* Call strp_done without sock lock */ + release_sock(csk); strp_done(&psock->strp); + lock_sock(csk); bpf_prog_put(psock->bpf_prog); @@ -1564,6 +1568,8 @@ no_reserved: fput(csk->sk_socket->file); kmem_cache_free(kcm_psockp, psock); } + + release_sock(csk); } static int kcm_unattach_ioctl(struct socket *sock, struct kcm_unattach *info) @@ -1749,11 +1755,8 @@ static void release_mux(struct kcm_mux *mux) /* Release psocks */ list_for_each_entry_safe(psock, tmp_psock, &mux->psocks, psock_list) { - if (!WARN_ON(psock->unattaching)) { - lock_sock(psock->strp.sk); + if (!WARN_ON(psock->unattaching)) kcm_unattach(psock); - release_sock(psock->strp.sk); - } } if (WARN_ON(mux->psocks_cnt)) diff --git a/net/strparser/strparser.c b/net/strparser/strparser.c index 68334b5..4ecfc10 100644 --- a/net/strparser/strparser.c +++ b/net/strparser/strparser.c @@ -445,6 +445,17 @@ int strp_init(struct strparser *strp, struct sock *csk, } EXPORT_SYMBOL_GPL(strp_init); +void strp_unpause(struct strparser *strp) +{ + strp->rx_paused = 0; + + /* Sync setting rx_paused with RX work */ + smp_mb(); + + queue_work(strp_wq, &strp->rx_work); +} +EXPORT_SYMBOL_GPL(strp_unpause); + /* strp must already be stopped so that strp_tcp_recv will no longer be called. * Note that strp_done is not called with the lower socket held. */ |