From bbb03029a899679d73e62d7e6ae80348cc5d0054 Mon Sep 17 00:00:00 2001 From: Tom Herbert Date: Fri, 28 Jul 2017 16:22:43 -0700 Subject: strparser: Generalize strparser Generalize strparser from more than just being used in conjunction with read_sock. strparser will also be used in the send path with zero proxy. The primary change is to create strp_process function that performs the critical processing on skbs. The documentation is also updated to reflect the new uses. Signed-off-by: Tom Herbert Signed-off-by: David S. Miller --- net/kcm/kcmproc.c | 34 +++++++++++++++++----------------- net/kcm/kcmsock.c | 38 +++++++++++++++++++------------------- 2 files changed, 36 insertions(+), 36 deletions(-) (limited to 'net/kcm') diff --git a/net/kcm/kcmproc.c b/net/kcm/kcmproc.c index c343ac60bf50..c748e8a6a72c 100644 --- a/net/kcm/kcmproc.c +++ b/net/kcm/kcmproc.c @@ -155,8 +155,8 @@ static void kcm_format_psock(struct kcm_psock *psock, struct seq_file *seq, seq_printf(seq, " psock-%-5u %-10llu %-16llu %-10llu %-16llu %-8d %-8d %-8d %-8d ", psock->index, - psock->strp.stats.rx_msgs, - psock->strp.stats.rx_bytes, + psock->strp.stats.msgs, + psock->strp.stats.bytes, psock->stats.tx_msgs, psock->stats.tx_bytes, psock->sk->sk_receive_queue.qlen, @@ -170,22 +170,22 @@ static void kcm_format_psock(struct kcm_psock *psock, struct seq_file *seq, if (psock->tx_stopped) seq_puts(seq, "TxStop "); - if (psock->strp.rx_stopped) + if (psock->strp.stopped) seq_puts(seq, "RxStop "); if (psock->tx_kcm) seq_printf(seq, "Rsvd-%d ", psock->tx_kcm->index); - if (!psock->strp.rx_paused && !psock->ready_rx_msg) { + if (!psock->strp.paused && !psock->ready_rx_msg) { if (psock->sk->sk_receive_queue.qlen) { - if (psock->strp.rx_need_bytes) + if (psock->strp.need_bytes) seq_printf(seq, "RxWait=%u ", - psock->strp.rx_need_bytes); + psock->strp.need_bytes); else seq_printf(seq, "RxWait "); } } else { - if (psock->strp.rx_paused) + if (psock->strp.paused) seq_puts(seq, "RxPause "); if (psock->ready_rx_msg) @@ -371,20 +371,20 @@ static int kcm_stats_seq_show(struct seq_file *seq, void *v) seq_printf(seq, "%-8s %-10llu %-16llu %-10llu %-16llu %-10llu %-10llu %-10u %-10u %-10u %-10u %-10u %-10u %-10u %-10u %-10u\n", "", - strp_stats.rx_msgs, - strp_stats.rx_bytes, + strp_stats.msgs, + strp_stats.bytes, psock_stats.tx_msgs, psock_stats.tx_bytes, psock_stats.reserved, psock_stats.unreserved, - strp_stats.rx_aborts, - strp_stats.rx_interrupted, - strp_stats.rx_unrecov_intr, - strp_stats.rx_mem_fail, - strp_stats.rx_need_more_hdr, - strp_stats.rx_bad_hdr_len, - strp_stats.rx_msg_too_big, - strp_stats.rx_msg_timeouts, + strp_stats.aborts, + strp_stats.interrupted, + strp_stats.unrecov_intr, + strp_stats.mem_fail, + strp_stats.need_more_hdr, + strp_stats.bad_hdr_len, + strp_stats.msg_too_big, + strp_stats.msg_timeouts, psock_stats.tx_aborts); return 0; diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c index da49191f7ad0..88ce73288247 100644 --- a/net/kcm/kcmsock.c +++ b/net/kcm/kcmsock.c @@ -96,12 +96,12 @@ static void kcm_update_rx_mux_stats(struct kcm_mux *mux, struct kcm_psock *psock) { STRP_STATS_ADD(mux->stats.rx_bytes, - psock->strp.stats.rx_bytes - + psock->strp.stats.bytes - psock->saved_rx_bytes); mux->stats.rx_msgs += - psock->strp.stats.rx_msgs - psock->saved_rx_msgs; - psock->saved_rx_msgs = psock->strp.stats.rx_msgs; - psock->saved_rx_bytes = psock->strp.stats.rx_bytes; + psock->strp.stats.msgs - psock->saved_rx_msgs; + psock->saved_rx_msgs = psock->strp.stats.msgs; + psock->saved_rx_bytes = psock->strp.stats.bytes; } static void kcm_update_tx_mux_stats(struct kcm_mux *mux, @@ -1118,7 +1118,7 @@ static int kcm_recvmsg(struct socket *sock, struct msghdr *msg, struct kcm_sock *kcm = kcm_sk(sk); int err = 0; long timeo; - struct strp_rx_msg *rxm; + struct strp_msg *stm; int copied = 0; struct sk_buff *skb; @@ -1132,26 +1132,26 @@ static int kcm_recvmsg(struct socket *sock, struct msghdr *msg, /* Okay, have a message on the receive queue */ - rxm = strp_rx_msg(skb); + stm = strp_msg(skb); - if (len > rxm->full_len) - len = rxm->full_len; + if (len > stm->full_len) + len = stm->full_len; - err = skb_copy_datagram_msg(skb, rxm->offset, msg, len); + err = skb_copy_datagram_msg(skb, stm->offset, msg, len); if (err < 0) goto out; copied = len; if (likely(!(flags & MSG_PEEK))) { KCM_STATS_ADD(kcm->stats.rx_bytes, copied); - if (copied < rxm->full_len) { + if (copied < stm->full_len) { if (sock->type == SOCK_DGRAM) { /* Truncated message */ msg->msg_flags |= MSG_TRUNC; goto msg_finished; } - rxm->offset += copied; - rxm->full_len -= copied; + stm->offset += copied; + stm->full_len -= copied; } else { msg_finished: /* Finished with message */ @@ -1175,7 +1175,7 @@ static ssize_t kcm_splice_read(struct socket *sock, loff_t *ppos, struct sock *sk = sock->sk; struct kcm_sock *kcm = kcm_sk(sk); long timeo; - struct strp_rx_msg *rxm; + struct strp_msg *stm; int err = 0; ssize_t copied; struct sk_buff *skb; @@ -1192,12 +1192,12 @@ static ssize_t kcm_splice_read(struct socket *sock, loff_t *ppos, /* Okay, have a message on the receive queue */ - rxm = strp_rx_msg(skb); + stm = strp_msg(skb); - if (len > rxm->full_len) - len = rxm->full_len; + if (len > stm->full_len) + len = stm->full_len; - copied = skb_splice_bits(skb, sk, rxm->offset, pipe, len, flags); + copied = skb_splice_bits(skb, sk, stm->offset, pipe, len, flags); if (copied < 0) { err = copied; goto err_out; @@ -1205,8 +1205,8 @@ static ssize_t kcm_splice_read(struct socket *sock, loff_t *ppos, KCM_STATS_ADD(kcm->stats.rx_bytes, copied); - rxm->offset += copied; - rxm->full_len -= copied; + stm->offset += copied; + stm->full_len -= copied; /* We have no way to return MSG_EOR. If all the bytes have been * read we still leave the message in the receive socket buffer. -- cgit v1.2.3-59-g8ed1b