samples/bpf: xdp_fwd rename devmap name to be xdp_tx_ports

The devmap name 'tx_port' came from a copy-paste from xdp_redirect_map which only have a single TX port. Change name to xdp_tx_ports to make it more descriptive. Signed-off-by: Jesper Dangaard Brouer <[email protected]> Reviewed-by: David Ahern <[email protected]> Acked-by: Yonghong Song <[email protected]> Reviewed-by: Toke Høiland-Jørgensen <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]>
chewitt · Aug 9, 2019 · 3783d43 · 3783d43
1 parent d9973ce
commit 3783d43
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Showing 2 changed files with 4 additions and 3 deletions.
diff --git a/samples/bpf/xdp_fwd_kern.c b/samples/bpf/xdp_fwd_kern.c
@@ -23,7 +23,8 @@
 
 #define IPV6_FLOWINFO_MASK              cpu_to_be32(0x0FFFFFFF)
 
-struct bpf_map_def SEC("maps") tx_port = {
+/* For TX-traffic redirect requires net_device ifindex to be in this devmap */
+struct bpf_map_def SEC("maps") xdp_tx_ports = {
 	.type = BPF_MAP_TYPE_DEVMAP,
 	.key_size = sizeof(int),
 	.value_size = sizeof(int),
@@ -117,7 +118,7 @@ static __always_inline int xdp_fwd_flags(struct xdp_md *ctx, u32 flags)
 
 		memcpy(eth->h_dest, fib_params.dmac, ETH_ALEN);
 		memcpy(eth->h_source, fib_params.smac, ETH_ALEN);
-		return bpf_redirect_map(&tx_port, fib_params.ifindex, 0);
+		return bpf_redirect_map(&xdp_tx_ports, fib_params.ifindex, 0);
 	}
 
 	return XDP_PASS;

diff --git a/samples/bpf/xdp_fwd_user.c b/samples/bpf/xdp_fwd_user.c
@@ -113,7 +113,7 @@ int main(int argc, char **argv)
 			return 1;
 		}
 		map_fd = bpf_map__fd(bpf_object__find_map_by_name(obj,
-								  "tx_port"));
+							"xdp_tx_ports"));
 		if (map_fd < 0) {
 			printf("map not found: %s\n", strerror(map_fd));
 			return 1;