Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Conflicts:

tools/testing/selftests/net/config
  62199e3f1658 ("selftests: net: Add VXLAN MDB test")
  3a0385be133e ("selftests: add the missing CONFIG_IP_SCTP in net config")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>

7 files changed, 72 insertions, 29 deletions

diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c b/tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c
index 662b6c6c5ed7..fde13010980d 100644
--- a/tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_do_redirect.c
@@ -159,8 +159,7 @@ void test_xdp_do_redirect(void)
 
 	if (!ASSERT_EQ(query_opts.feature_flags,
 		       NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT |
-		       NETDEV_XDP_ACT_NDO_XMIT | NETDEV_XDP_ACT_RX_SG |
-		       NETDEV_XDP_ACT_NDO_XMIT_SG,
+		       NETDEV_XDP_ACT_RX_SG,
 		       "veth_src query_opts.feature_flags"))
 		goto out;
 
@@ -170,9 +169,34 @@ void test_xdp_do_redirect(void)
 
 	if (!ASSERT_EQ(query_opts.feature_flags,
 		       NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT |
+		       NETDEV_XDP_ACT_RX_SG,
+		       "veth_dst query_opts.feature_flags"))
+		goto out;
+
+	/* Enable GRO */
+	SYS("ethtool -K veth_src gro on");
+	SYS("ethtool -K veth_dst gro on");
+
+	err = bpf_xdp_query(ifindex_src, XDP_FLAGS_DRV_MODE, &query_opts);
+	if (!ASSERT_OK(err, "veth_src bpf_xdp_query gro on"))
+		goto out;
+
+	if (!ASSERT_EQ(query_opts.feature_flags,
+		       NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT |
 		       NETDEV_XDP_ACT_NDO_XMIT | NETDEV_XDP_ACT_RX_SG |
 		       NETDEV_XDP_ACT_NDO_XMIT_SG,
-		       "veth_dst query_opts.feature_flags"))
+		       "veth_src query_opts.feature_flags gro on"))
+		goto out;
+
+	err = bpf_xdp_query(ifindex_dst, XDP_FLAGS_DRV_MODE, &query_opts);
+	if (!ASSERT_OK(err, "veth_dst bpf_xdp_query gro on"))
+		goto out;
+
+	if (!ASSERT_EQ(query_opts.feature_flags,
+		       NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT |
+		       NETDEV_XDP_ACT_NDO_XMIT | NETDEV_XDP_ACT_RX_SG |
+		       NETDEV_XDP_ACT_NDO_XMIT_SG,
+		       "veth_dst query_opts.feature_flags gro on"))
 		goto out;
 
 	memcpy(skel->rodata->expect_dst, &pkt_udp.eth.h_dest, ETH_ALEN);
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c b/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c
index 490e851dc27d..626c461fa34d 100644
--- a/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_metadata.c
@@ -268,6 +268,8 @@ static int verify_xsk_metadata(struct xsk *xsk)
 	if (!ASSERT_NEQ(meta->rx_hash, 0, "rx_hash"))
 		return -1;
 
+	ASSERT_EQ(meta->rx_hash_type, 0, "rx_hash_type");
+
 	xsk_ring_cons__release(&xsk->rx, 1);
 	refill_rx(xsk, comp_addr);
 
diff --git a/tools/testing/selftests/bpf/progs/xdp_hw_metadata.c b/tools/testing/selftests/bpf/progs/xdp_hw_metadata.c
index 4c55b4d79d3d..e1c787815e44 100644
--- a/tools/testing/selftests/bpf/progs/xdp_hw_metadata.c
+++ b/tools/testing/selftests/bpf/progs/xdp_hw_metadata.c
@@ -12,10 +12,14 @@ struct {
 	__type(value, __u32);
 } xsk SEC(".maps");
 
+__u64 pkts_skip = 0;
+__u64 pkts_fail = 0;
+__u64 pkts_redir = 0;
+
 extern int bpf_xdp_metadata_rx_timestamp(const struct xdp_md *ctx,
 					 __u64 *timestamp) __ksym;
-extern int bpf_xdp_metadata_rx_hash(const struct xdp_md *ctx,
-				    __u32 *hash) __ksym;
+extern int bpf_xdp_metadata_rx_hash(const struct xdp_md *ctx, __u32 *hash,
+				    enum xdp_rss_hash_type *rss_type) __ksym;
 
 SEC("xdp")
 int rx(struct xdp_md *ctx)
@@ -26,7 +30,7 @@ int rx(struct xdp_md *ctx)
 	struct udphdr *udp = NULL;
 	struct iphdr *iph = NULL;
 	struct xdp_meta *meta;
-	int ret;
+	int err;
 
 	data = (void *)(long)ctx->data;
 	data_end = (void *)(long)ctx->data_end;
@@ -46,17 +50,20 @@ int rx(struct xdp_md *ctx)
 			udp = NULL;
 	}
 
-	if (!udp)
+	if (!udp) {
+		__sync_add_and_fetch(&pkts_skip, 1);
 		return XDP_PASS;
+	}
 
-	if (udp->dest != bpf_htons(9091))
+	/* Forwarding UDP:9091 to AF_XDP */
+	if (udp->dest != bpf_htons(9091)) {
+		__sync_add_and_fetch(&pkts_skip, 1);
 		return XDP_PASS;
+	}
 
-	bpf_printk("forwarding UDP:9091 to AF_XDP");
-
-	ret = bpf_xdp_adjust_meta(ctx, -(int)sizeof(struct xdp_meta));
-	if (ret != 0) {
-		bpf_printk("bpf_xdp_adjust_meta returned %d", ret);
+	err = bpf_xdp_adjust_meta(ctx, -(int)sizeof(struct xdp_meta));
+	if (err) {
+		__sync_add_and_fetch(&pkts_fail, 1);
 		return XDP_PASS;
 	}
 
@@ -65,20 +72,19 @@ int rx(struct xdp_md *ctx)
 	meta = data_meta;
 
 	if (meta + 1 > data) {
-		bpf_printk("bpf_xdp_adjust_meta doesn't appear to work");
+		__sync_add_and_fetch(&pkts_fail, 1);
 		return XDP_PASS;
 	}
 
-	if (!bpf_xdp_metadata_rx_timestamp(ctx, &meta->rx_timestamp))
-		bpf_printk("populated rx_timestamp with %llu", meta->rx_timestamp);
-	else
+	err = bpf_xdp_metadata_rx_timestamp(ctx, &meta->rx_timestamp);
+	if (err)
 		meta->rx_timestamp = 0; /* Used by AF_XDP as not avail signal */
 
-	if (!bpf_xdp_metadata_rx_hash(ctx, &meta->rx_hash))
-		bpf_printk("populated rx_hash with %u", meta->rx_hash);
-	else
-		meta->rx_hash = 0; /* Used by AF_XDP as not avail signal */
+	err = bpf_xdp_metadata_rx_hash(ctx, &meta->rx_hash, &meta->rx_hash_type);
+	if (err < 0)
+		meta->rx_hash_err = err; /* Used by AF_XDP as no hash signal */
 
+	__sync_add_and_fetch(&pkts_redir, 1);
 	return bpf_redirect_map(&xsk, ctx->rx_queue_index, XDP_PASS);
 }
 
diff --git a/tools/testing/selftests/bpf/progs/xdp_metadata.c b/tools/testing/selftests/bpf/progs/xdp_metadata.c
index 77678b034389..d151d406a123 100644
--- a/tools/testing/selftests/bpf/progs/xdp_metadata.c
+++ b/tools/testing/selftests/bpf/progs/xdp_metadata.c
@@ -21,8 +21,8 @@ struct {
 
 extern int bpf_xdp_metadata_rx_timestamp(const struct xdp_md *ctx,
 					 __u64 *timestamp) __ksym;
-extern int bpf_xdp_metadata_rx_hash(const struct xdp_md *ctx,
-				    __u32 *hash) __ksym;
+extern int bpf_xdp_metadata_rx_hash(const struct xdp_md *ctx, __u32 *hash,
+				    enum xdp_rss_hash_type *rss_type) __ksym;
 
 SEC("xdp")
 int rx(struct xdp_md *ctx)
@@ -56,7 +56,7 @@ int rx(struct xdp_md *ctx)
 	if (timestamp == 0)
 		meta->rx_timestamp = 1;
 
-	bpf_xdp_metadata_rx_hash(ctx, &meta->rx_hash);
+	bpf_xdp_metadata_rx_hash(ctx, &meta->rx_hash, &meta->rx_hash_type);
 
 	return bpf_redirect_map(&xsk, ctx->rx_queue_index, XDP_PASS);
 }
diff --git a/tools/testing/selftests/bpf/progs/xdp_metadata2.c b/tools/testing/selftests/bpf/progs/xdp_metadata2.c
index cf69d05451c3..85f88d9d7a78 100644
--- a/tools/testing/selftests/bpf/progs/xdp_metadata2.c
+++ b/tools/testing/selftests/bpf/progs/xdp_metadata2.c
@@ -5,17 +5,18 @@
 #include <bpf/bpf_helpers.h>
 #include <bpf/bpf_endian.h>
 
-extern int bpf_xdp_metadata_rx_hash(const struct xdp_md *ctx,
-				    __u32 *hash) __ksym;
+extern int bpf_xdp_metadata_rx_hash(const struct xdp_md *ctx, __u32 *hash,
+				    enum xdp_rss_hash_type *rss_type) __ksym;
 
 int called;
 
 SEC("freplace/rx")
 int freplace_rx(struct xdp_md *ctx)
 {
+	enum xdp_rss_hash_type type = 0;
 	u32 hash = 0;
 	/* Call _any_ metadata function to make sure we don't crash. */
-	bpf_xdp_metadata_rx_hash(ctx, &hash);
+	bpf_xdp_metadata_rx_hash(ctx, &hash, &type);
 	called++;
 	return XDP_PASS;
 }
diff --git a/tools/testing/selftests/bpf/xdp_hw_metadata.c b/tools/testing/selftests/bpf/xdp_hw_metadata.c
index 1c8acb68b977..987cf0db5ebc 100644
--- a/tools/testing/selftests/bpf/xdp_hw_metadata.c
+++ b/tools/testing/selftests/bpf/xdp_hw_metadata.c
@@ -141,7 +141,11 @@ static void verify_xdp_metadata(void *data)
 	meta = data - sizeof(*meta);
 
 	printf("rx_timestamp: %llu\n", meta->rx_timestamp);
-	printf("rx_hash: %u\n", meta->rx_hash);
+	if (meta->rx_hash_err < 0)
+		printf("No rx_hash err=%d\n", meta->rx_hash_err);
+	else
+		printf("rx_hash: 0x%X with RSS type:0x%X\n",
+		       meta->rx_hash, meta->rx_hash_type);
 }
 
 static void verify_skb_metadata(int fd)
@@ -212,7 +216,9 @@ static int verify_metadata(struct xsk *rx_xsk, int rxq, int server_fd)
 	while (true) {
 		errno = 0;
 		ret = poll(fds, rxq + 1, 1000);
-		printf("poll: %d (%d)\n", ret, errno);
+		printf("poll: %d (%d) skip=%llu fail=%llu redir=%llu\n",
+		       ret, errno, bpf_obj->bss->pkts_skip,
+		       bpf_obj->bss->pkts_fail, bpf_obj->bss->pkts_redir);
 		if (ret < 0)
 			break;
 		if (ret == 0)
diff --git a/tools/testing/selftests/bpf/xdp_metadata.h b/tools/testing/selftests/bpf/xdp_metadata.h
index f6780fbb0a21..0c4624dc6f2f 100644
--- a/tools/testing/selftests/bpf/xdp_metadata.h
+++ b/tools/testing/selftests/bpf/xdp_metadata.h
@@ -12,4 +12,8 @@
 struct xdp_meta {
 	__u64 rx_timestamp;
 	__u32 rx_hash;
+	union {
+		__u32 rx_hash_type;
+		__s32 rx_hash_err;
+	};
 };