diff options
author | David Howells <dhowells@redhat.com> | 2016-06-17 10:53:37 (GMT) |
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committer | David Howells <dhowells@redhat.com> | 2016-06-22 08:17:51 (GMT) |
commit | 985a5c824a52e9f7cae59c850e2db98954f21c7c (patch) | |
tree | 430d82e25a3e9249bdc2b875365a9c18b6509216 /net/rxrpc/output.c | |
parent | f4e7da8cde87d0f7e9fb806918f7ec283912b694 (diff) | |
download | linux-985a5c824a52e9f7cae59c850e2db98954f21c7c.tar.xz |
rxrpc: Make rxrpc_send_packet() take a connection not a transport
Make rxrpc_send_packet() take a connection not a transport as part of the
phasing out of the rxrpc_transport struct.
Whilst we're at it, rename the function to rxrpc_send_data_packet() to
differentiate it from the other packet sending functions.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'net/rxrpc/output.c')
-rw-r--r-- | net/rxrpc/output.c | 51 |
1 files changed, 29 insertions, 22 deletions
diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c index 6f8ab0e..db3933c 100644 --- a/net/rxrpc/output.c +++ b/net/rxrpc/output.c @@ -338,7 +338,7 @@ EXPORT_SYMBOL(rxrpc_kernel_abort_call); /* * send a packet through the transport endpoint */ -int rxrpc_send_packet(struct rxrpc_transport *trans, struct sk_buff *skb) +int rxrpc_send_data_packet(struct rxrpc_connection *conn, struct sk_buff *skb) { struct kvec iov[1]; struct msghdr msg; @@ -349,30 +349,30 @@ int rxrpc_send_packet(struct rxrpc_transport *trans, struct sk_buff *skb) iov[0].iov_base = skb->head; iov[0].iov_len = skb->len; - msg.msg_name = &trans->peer->srx.transport.sin; - msg.msg_namelen = sizeof(trans->peer->srx.transport.sin); + msg.msg_name = &conn->params.peer->srx.transport; + msg.msg_namelen = conn->params.peer->srx.transport_len; msg.msg_control = NULL; msg.msg_controllen = 0; msg.msg_flags = 0; /* send the packet with the don't fragment bit set if we currently * think it's small enough */ - if (skb->len - sizeof(struct rxrpc_wire_header) < trans->peer->maxdata) { - down_read(&trans->local->defrag_sem); + if (skb->len - sizeof(struct rxrpc_wire_header) < conn->params.peer->maxdata) { + down_read(&conn->params.local->defrag_sem); /* send the packet by UDP * - returns -EMSGSIZE if UDP would have to fragment the packet * to go out of the interface * - in which case, we'll have processed the ICMP error * message and update the peer record */ - ret = kernel_sendmsg(trans->local->socket, &msg, iov, 1, + ret = kernel_sendmsg(conn->params.local->socket, &msg, iov, 1, iov[0].iov_len); - up_read(&trans->local->defrag_sem); + up_read(&conn->params.local->defrag_sem); if (ret == -EMSGSIZE) goto send_fragmentable; - _leave(" = %d [%u]", ret, trans->peer->maxdata); + _leave(" = %d [%u]", ret, conn->params.peer->maxdata); return ret; } @@ -380,21 +380,28 @@ send_fragmentable: /* attempt to send this message with fragmentation enabled */ _debug("send fragment"); - down_write(&trans->local->defrag_sem); - opt = IP_PMTUDISC_DONT; - ret = kernel_setsockopt(trans->local->socket, SOL_IP, IP_MTU_DISCOVER, - (char *) &opt, sizeof(opt)); - if (ret == 0) { - ret = kernel_sendmsg(trans->local->socket, &msg, iov, 1, - iov[0].iov_len); - - opt = IP_PMTUDISC_DO; - kernel_setsockopt(trans->local->socket, SOL_IP, - IP_MTU_DISCOVER, (char *) &opt, sizeof(opt)); + down_write(&conn->params.local->defrag_sem); + + switch (conn->params.local->srx.transport.family) { + case AF_INET: + opt = IP_PMTUDISC_DONT; + ret = kernel_setsockopt(conn->params.local->socket, + SOL_IP, IP_MTU_DISCOVER, + (char *)&opt, sizeof(opt)); + if (ret == 0) { + ret = kernel_sendmsg(conn->params.local->socket, &msg, iov, 1, + iov[0].iov_len); + + opt = IP_PMTUDISC_DO; + kernel_setsockopt(conn->params.local->socket, SOL_IP, + IP_MTU_DISCOVER, + (char *)&opt, sizeof(opt)); + } + break; } - up_write(&trans->local->defrag_sem); - _leave(" = %d [frag %u]", ret, trans->peer->maxdata); + up_write(&conn->params.local->defrag_sem); + _leave(" = %d [frag %u]", ret, conn->params.peer->maxdata); return ret; } @@ -506,7 +513,7 @@ static void rxrpc_queue_packet(struct rxrpc_call *call, struct sk_buff *skb, if (try_to_del_timer_sync(&call->ack_timer) >= 0) { /* the packet may be freed by rxrpc_process_call() before this * returns */ - ret = rxrpc_send_packet(call->conn->trans, skb); + ret = rxrpc_send_data_packet(call->conn, skb); _net("sent skb %p", skb); } else { _debug("failed to delete ACK timer"); |