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[PATCH v5 05/21] tap: Remove tap_receive()


From: Akihiko Odaki
Subject: [PATCH v5 05/21] tap: Remove tap_receive()
Date: Tue, 17 Oct 2023 13:09:11 +0900

The receive member of NetClientInfo is only for legacy clients and the
receive_iov member is always used when it is set.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
---
 net/tap.c | 36 ------------------------------------
 1 file changed, 36 deletions(-)

diff --git a/net/tap.c b/net/tap.c
index 087b2d3bc6..668d69c0de 100644
--- a/net/tap.c
+++ b/net/tap.c
@@ -131,41 +131,6 @@ static ssize_t tap_receive_iov(NetClientState *nc, const 
struct iovec *iov,
     return tap_write_packet(s, iovp, iovcnt);
 }
 
-static ssize_t tap_receive_raw(NetClientState *nc, const uint8_t *buf, size_t 
size)
-{
-    TAPState *s = DO_UPCAST(TAPState, nc, nc);
-    struct iovec iov[2];
-    int iovcnt = 0;
-    struct virtio_net_hdr_mrg_rxbuf hdr = { };
-
-    if (s->host_vnet_hdr_len) {
-        iov[iovcnt].iov_base = &hdr;
-        iov[iovcnt].iov_len  = s->host_vnet_hdr_len;
-        iovcnt++;
-    }
-
-    iov[iovcnt].iov_base = (char *)buf;
-    iov[iovcnt].iov_len  = size;
-    iovcnt++;
-
-    return tap_write_packet(s, iov, iovcnt);
-}
-
-static ssize_t tap_receive(NetClientState *nc, const uint8_t *buf, size_t size)
-{
-    TAPState *s = DO_UPCAST(TAPState, nc, nc);
-    struct iovec iov[1];
-
-    if (s->host_vnet_hdr_len && !s->using_vnet_hdr) {
-        return tap_receive_raw(nc, buf, size);
-    }
-
-    iov[0].iov_base = (char *)buf;
-    iov[0].iov_len  = size;
-
-    return tap_write_packet(s, iov, 1);
-}
-
 #ifndef __sun__
 ssize_t tap_read_packet(int tapfd, uint8_t *buf, int maxlen)
 {
@@ -355,7 +320,6 @@ int tap_get_fd(NetClientState *nc)
 static NetClientInfo net_tap_info = {
     .type = NET_CLIENT_DRIVER_TAP,
     .size = sizeof(TAPState),
-    .receive = tap_receive,
     .receive_iov = tap_receive_iov,
     .poll = tap_poll,
     .cleanup = tap_cleanup,
-- 
2.42.0




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