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ofpbuf: Introduce access api for base, data and size.

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These functions will be used by later patches.  Following patch
does not change functionality.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
This commit is contained in:
Pravin Shelar
2014-03-30 01:31:50 -07:00
committed by Pravin B Shelar
parent 6e2f6e708f
commit 1f317cb5c2
54 changed files with 728 additions and 673 deletions
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12
lib/netdev-linux.c
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@@ -919,7 +919,7 @@ netdev_linux_rxq_recv_sock(int fd, struct ofpbuf *buffer)
ofpbuf_reserve(buffer, VLAN_HEADER_LEN);
size = ofpbuf_tailroom(buffer);
iov.iov_base = buffer->data;
iov.iov_base = ofpbuf_data(buffer);
iov.iov_len = size;
msgh.msg_name = NULL;
msgh.msg_namelen = 0;
@@ -939,7 +939,7 @@ netdev_linux_rxq_recv_sock(int fd, struct ofpbuf *buffer)
return EMSGSIZE;
}
buffer->size += retval;
ofpbuf_set_size(buffer, ofpbuf_size(buffer) + retval);
for (cmsg = CMSG_FIRSTHDR(&msgh); cmsg; cmsg = CMSG_NXTHDR(&msgh, cmsg)) {
const struct tpacket_auxdata *aux;
@@ -972,7 +972,7 @@ netdev_linux_rxq_recv_tap(int fd, struct ofpbuf *buffer)
size_t size = ofpbuf_tailroom(buffer);
do {
retval = read(fd, buffer->data, size);
retval = read(fd, ofpbuf_data(buffer), size);
} while (retval < 0 && errno == EINTR);
if (retval < 0) {
@@ -981,7 +981,7 @@ netdev_linux_rxq_recv_tap(int fd, struct ofpbuf *buffer)
return EMSGSIZE;
}
buffer->size += retval;
ofpbuf_set_size(buffer, ofpbuf_size(buffer) + retval);
return 0;
}
@@ -1056,8 +1056,8 @@ netdev_linux_rxq_drain(struct netdev_rxq *rxq_)
static int
netdev_linux_send(struct netdev *netdev_, struct ofpbuf *pkt, bool may_steal)
{
const void *data = pkt->data;
size_t size = pkt->size;
const void *data = ofpbuf_data(pkt);
size_t size = ofpbuf_size(pkt);
for (;;) {
ssize_t retval;