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From: Stanislav Fomichev <sdf@google.com>
To: bpf@vger.kernel.org
Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
	martin.lau@linux.dev, song@kernel.org, yhs@fb.com,
	john.fastabend@gmail.com, kpsingh@kernel.org, sdf@google.com,
	haoluo@google.com, jolsa@kernel.org, kuba@kernel.org,
	toke@kernel.org, willemb@google.com, dsahern@kernel.org,
	magnus.karlsson@intel.com, bjorn@kernel.org,
	maciej.fijalkowski@intel.com, hawk@kernel.org,
	netdev@vger.kernel.org, xdp-hints@xdp-project.net
Subject: [xdp-hints] [PATCH bpf-next 3/9] tools: ynl: print xsk-features from the sample
Date: Wed,  9 Aug 2023 09:54:12 -0700	[thread overview]
Message-ID: <20230809165418.2831456-4-sdf@google.com> (raw)
In-Reply-To: <20230809165418.2831456-1-sdf@google.com>

Regenerate the userspace specs and print xsk-features bitmask.

Signed-off-by: Stanislav Fomichev <sdf@google.com>
---
 tools/net/ynl/generated/netdev-user.c | 19 +++++++++++++++++++
 tools/net/ynl/generated/netdev-user.h |  3 +++
 tools/net/ynl/samples/netdev.c        |  6 ++++++
 3 files changed, 28 insertions(+)

diff --git a/tools/net/ynl/generated/netdev-user.c b/tools/net/ynl/generated/netdev-user.c
index 68b408ca0f7f..f8dd6aa0ad97 100644
--- a/tools/net/ynl/generated/netdev-user.c
+++ b/tools/net/ynl/generated/netdev-user.c
@@ -45,12 +45,26 @@ const char *netdev_xdp_act_str(enum netdev_xdp_act value)
 	return netdev_xdp_act_strmap[value];
 }
 
+static const char * const netdev_xsk_flags_strmap[] = {
+	[0] = "tx-timestamp",
+	[1] = "tx-checksum",
+};
+
+const char *netdev_xsk_flags_str(enum netdev_xsk_flags value)
+{
+	value = ffs(value) - 1;
+	if (value < 0 || value >= (int)MNL_ARRAY_SIZE(netdev_xsk_flags_strmap))
+		return NULL;
+	return netdev_xsk_flags_strmap[value];
+}
+
 /* Policies */
 struct ynl_policy_attr netdev_dev_policy[NETDEV_A_DEV_MAX + 1] = {
 	[NETDEV_A_DEV_IFINDEX] = { .name = "ifindex", .type = YNL_PT_U32, },
 	[NETDEV_A_DEV_PAD] = { .name = "pad", .type = YNL_PT_IGNORE, },
 	[NETDEV_A_DEV_XDP_FEATURES] = { .name = "xdp-features", .type = YNL_PT_U64, },
 	[NETDEV_A_DEV_XDP_ZC_MAX_SEGS] = { .name = "xdp-zc-max-segs", .type = YNL_PT_U32, },
+	[NETDEV_A_DEV_XSK_FEATURES] = { .name = "xsk-features", .type = YNL_PT_U64, },
 };
 
 struct ynl_policy_nest netdev_dev_nest = {
@@ -97,6 +111,11 @@ int netdev_dev_get_rsp_parse(const struct nlmsghdr *nlh, void *data)
 				return MNL_CB_ERROR;
 			dst->_present.xdp_zc_max_segs = 1;
 			dst->xdp_zc_max_segs = mnl_attr_get_u32(attr);
+		} else if (type == NETDEV_A_DEV_XSK_FEATURES) {
+			if (ynl_attr_validate(yarg, attr))
+				return MNL_CB_ERROR;
+			dst->_present.xsk_features = 1;
+			dst->xsk_features = mnl_attr_get_u64(attr);
 		}
 	}
 
diff --git a/tools/net/ynl/generated/netdev-user.h b/tools/net/ynl/generated/netdev-user.h
index 0952d3261f4d..b8c5cdb331b4 100644
--- a/tools/net/ynl/generated/netdev-user.h
+++ b/tools/net/ynl/generated/netdev-user.h
@@ -18,6 +18,7 @@ extern const struct ynl_family ynl_netdev_family;
 /* Enums */
 const char *netdev_op_str(int op);
 const char *netdev_xdp_act_str(enum netdev_xdp_act value);
+const char *netdev_xsk_flags_str(enum netdev_xsk_flags value);
 
 /* Common nested types */
 /* ============== NETDEV_CMD_DEV_GET ============== */
@@ -48,11 +49,13 @@ struct netdev_dev_get_rsp {
 		__u32 ifindex:1;
 		__u32 xdp_features:1;
 		__u32 xdp_zc_max_segs:1;
+		__u32 xsk_features:1;
 	} _present;
 
 	__u32 ifindex;
 	__u64 xdp_features;
 	__u32 xdp_zc_max_segs;
+	__u64 xsk_features;
 };
 
 void netdev_dev_get_rsp_free(struct netdev_dev_get_rsp *rsp);
diff --git a/tools/net/ynl/samples/netdev.c b/tools/net/ynl/samples/netdev.c
index 06433400dddd..06377e3f1df5 100644
--- a/tools/net/ynl/samples/netdev.c
+++ b/tools/net/ynl/samples/netdev.c
@@ -38,6 +38,12 @@ static void netdev_print_device(struct netdev_dev_get_rsp *d, unsigned int op)
 			printf(" %s", netdev_xdp_act_str(1 << i));
 	}
 
+	printf(" %llx:", d->xsk_features);
+	for (int i = 0; d->xsk_features > 1U << i; i++) {
+		if (d->xsk_features & (1U << i))
+			printf(" %s", netdev_xsk_flags_str(1 << i));
+	}
+
 	printf(" xdp-zc-max-segs=%u", d->xdp_zc_max_segs);
 
 	name = netdev_op_str(op);
-- 
2.41.0.640.ga95def55d0-goog


  parent reply	other threads:[~2023-08-09 16:54 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-08-09 16:54 [xdp-hints] [PATCH bpf-next 0/9] xsk: TX metadata Stanislav Fomichev
2023-08-09 16:54 ` [xdp-hints] [PATCH bpf-next 1/9] xsk: Support XDP_TX_METADATA_LEN Stanislav Fomichev
2023-08-14 10:56   ` [xdp-hints] " Maciej Fijalkowski
2023-08-14 18:05     ` Stanislav Fomichev
2023-08-14 22:24       ` Stanislav Fomichev
2023-08-15 12:19         ` Magnus Karlsson
2023-08-15 18:21           ` Stanislav Fomichev
2023-08-09 16:54 ` [xdp-hints] [PATCH bpf-next 2/9] xsk: add TX timestamp and TX checksum offload support Stanislav Fomichev
2023-08-09 20:18   ` [xdp-hints] " Jesper Dangaard Brouer
2023-08-10 18:25     ` Stanislav Fomichev
2023-08-10  5:26   ` kernel test robot
2023-08-10  6:12   ` kernel test robot
2023-08-14 11:01   ` Maciej Fijalkowski
2023-08-14 18:05     ` Stanislav Fomichev
2023-08-09 16:54 ` Stanislav Fomichev [this message]
2023-08-09 16:54 ` [xdp-hints] [PATCH bpf-next 4/9] net/mlx5e: Implement AF_XDP TX timestamp and checksum offload Stanislav Fomichev
2023-08-14 11:02   ` [xdp-hints] " Maciej Fijalkowski
2023-08-14 18:05     ` Stanislav Fomichev
2023-08-09 16:54 ` [xdp-hints] [PATCH bpf-next 5/9] selftests/xsk: Support XDP_TX_METADATA_LEN Stanislav Fomichev
2023-08-09 16:54 ` [xdp-hints] [PATCH bpf-next 6/9] selftests/bpf: Add csum helpers Stanislav Fomichev
2023-08-09 16:54 ` [xdp-hints] [PATCH bpf-next 7/9] selftests/bpf: Add TX side to xdp_metadata Stanislav Fomichev
2023-08-09 16:54 ` [xdp-hints] [PATCH bpf-next 8/9] selftests/bpf: Add TX side to xdp_hw_metadata Stanislav Fomichev
2023-08-09 16:54 ` [xdp-hints] [PATCH bpf-next 9/9] xsk: document XDP_TX_METADATA_LEN layout Stanislav Fomichev
2023-08-09 20:39   ` [xdp-hints] " Jesper Dangaard Brouer
2023-08-10 18:17     ` Stanislav Fomichev
2023-08-09 20:09 ` [xdp-hints] Re: [PATCH bpf-next 0/9] xsk: TX metadata Jesper Dangaard Brouer
2023-08-10 18:23   ` Stanislav Fomichev
2023-08-14 11:13 ` Maciej Fijalkowski
2023-08-14 18:04   ` Stanislav Fomichev

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