Context |
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Description |
bpf/vmtest-bpf-next-PR |
success
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PR summary
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bpf/vmtest-bpf-next-VM_Test-0 |
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Logs for Lint
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bpf/vmtest-bpf-next-VM_Test-1 |
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bpf/vmtest-bpf-next-VM_Test-3 |
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Logs for Validate matrix.py
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bpf/vmtest-bpf-next-VM_Test-2 |
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Logs for Unittests
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bpf/vmtest-bpf-next-VM_Test-5 |
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Logs for aarch64-gcc / build-release
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bpf/vmtest-bpf-next-VM_Test-4 |
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bpf/vmtest-bpf-next-VM_Test-9 |
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Logs for aarch64-gcc / test (test_verifier, false, 360) / test_verifier on aarch64 with gcc
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bpf/vmtest-bpf-next-VM_Test-11 |
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Logs for s390x-gcc / build / build for s390x with gcc
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bpf/vmtest-bpf-next-VM_Test-10 |
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bpf/vmtest-bpf-next-VM_Test-12 |
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bpf/vmtest-bpf-next-VM_Test-15 |
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bpf/vmtest-bpf-next-VM_Test-16 |
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bpf/vmtest-bpf-next-VM_Test-17 |
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Logs for set-matrix
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bpf/vmtest-bpf-next-VM_Test-18 |
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bpf/vmtest-bpf-next-VM_Test-19 |
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bpf/vmtest-bpf-next-VM_Test-23 |
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Logs for x86_64-gcc / test (test_progs_no_alu32_parallel, true, 30) / test_progs_no_alu32_parallel on x86_64 with gcc
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bpf/vmtest-bpf-next-VM_Test-20 |
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Logs for x86_64-gcc / test (test_maps, false, 360) / test_maps on x86_64 with gcc
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bpf/vmtest-bpf-next-VM_Test-24 |
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Logs for x86_64-gcc / test (test_progs_parallel, true, 30) / test_progs_parallel on x86_64 with gcc
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bpf/vmtest-bpf-next-VM_Test-27 |
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bpf/vmtest-bpf-next-VM_Test-25 |
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Logs for x86_64-gcc / test (test_verifier, false, 360) / test_verifier on x86_64 with gcc
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bpf/vmtest-bpf-next-VM_Test-33 |
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bpf/vmtest-bpf-next-VM_Test-34 |
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Logs for x86_64-llvm-18 / build / build for x86_64 with llvm-18
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bpf/vmtest-bpf-next-VM_Test-36 |
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Logs for x86_64-llvm-18 / test (test_maps, false, 360) / test_maps on x86_64 with llvm-18
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bpf/vmtest-bpf-next-VM_Test-35 |
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Logs for x86_64-llvm-18 / build-release / build for x86_64 with llvm-18-O2
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bpf/vmtest-bpf-next-VM_Test-40 |
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Logs for x86_64-llvm-18 / test (test_verifier, false, 360) / test_verifier on x86_64 with llvm-18
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bpf/vmtest-bpf-next-VM_Test-41 |
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Logs for x86_64-llvm-18 / veristat
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bpf/vmtest-bpf-next-VM_Test-29 |
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Logs for x86_64-llvm-17 / test (test_maps, false, 360) / test_maps on x86_64 with llvm-17
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bpf/vmtest-bpf-next-VM_Test-28 |
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Logs for x86_64-llvm-17 / build-release / build for x86_64 with llvm-17-O2
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bpf/vmtest-bpf-next-VM_Test-32 |
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Logs for x86_64-llvm-17 / test (test_verifier, false, 360) / test_verifier on x86_64 with llvm-17
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bpf/vmtest-bpf-next-VM_Test-7 |
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Logs for aarch64-gcc / test (test_progs, false, 360) / test_progs on aarch64 with gcc
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bpf/vmtest-bpf-next-VM_Test-6 |
success
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Logs for aarch64-gcc / test (test_maps, false, 360) / test_maps on aarch64 with gcc
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bpf/vmtest-bpf-next-VM_Test-8 |
success
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Logs for aarch64-gcc / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on aarch64 with gcc
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bpf/vmtest-bpf-next-VM_Test-14 |
success
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Logs for s390x-gcc / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on s390x with gcc
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bpf/vmtest-bpf-next-VM_Test-13 |
success
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Logs for s390x-gcc / test (test_progs, false, 360) / test_progs on s390x with gcc
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bpf/vmtest-bpf-next-VM_Test-21 |
success
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Logs for x86_64-gcc / test (test_progs, false, 360) / test_progs on x86_64 with gcc
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bpf/vmtest-bpf-next-VM_Test-22 |
success
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Logs for x86_64-gcc / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on x86_64 with gcc
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bpf/vmtest-bpf-next-VM_Test-26 |
success
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Logs for x86_64-gcc / veristat / veristat on x86_64 with gcc
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bpf/vmtest-bpf-next-VM_Test-37 |
success
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Logs for x86_64-llvm-18 / test (test_progs, false, 360) / test_progs on x86_64 with llvm-18
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bpf/vmtest-bpf-next-VM_Test-38 |
success
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Logs for x86_64-llvm-18 / test (test_progs_cpuv4, false, 360) / test_progs_cpuv4 on x86_64 with llvm-18
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bpf/vmtest-bpf-next-VM_Test-39 |
success
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Logs for x86_64-llvm-18 / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on x86_64 with llvm-18
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bpf/vmtest-bpf-next-VM_Test-30 |
success
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Logs for x86_64-llvm-17 / test (test_progs, false, 360) / test_progs on x86_64 with llvm-17
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bpf/vmtest-bpf-next-VM_Test-31 |
success
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Logs for x86_64-llvm-17 / test (test_progs_no_alu32, false, 360) / test_progs_no_alu32 on x86_64 with llvm-17
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netdev/series_format |
success
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Posting correctly formatted
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netdev/tree_selection |
success
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Clearly marked for bpf-next
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netdev/ynl |
success
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Generated files up to date;
no warnings/errors;
GEN HAS DIFF 1 file changed, 3 insertions(+);
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netdev/fixes_present |
success
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Fixes tag not required for -next series
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netdev/header_inline |
success
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No static functions without inline keyword in header files
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netdev/build_32bit |
success
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Errors and warnings before: 43 this patch: 43
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netdev/build_tools |
success
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Errors and warnings before: 0 (+1) this patch: 0 (+1)
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netdev/cc_maintainers |
warning
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3 maintainers not CCed: amritha.nambiar@intel.com sdf@fomichev.me corbet@lwn.net
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netdev/build_clang |
success
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Errors and warnings before: 83 this patch: 83
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netdev/verify_signedoff |
success
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Signed-off-by tag matches author and committer
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netdev/deprecated_api |
success
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None detected
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netdev/check_selftest |
success
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No net selftest shell script
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netdev/verify_fixes |
success
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No Fixes tag
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netdev/build_allmodconfig_warn |
fail
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Errors and warnings before: 4145 this patch: 4146
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netdev/checkpatch |
warning
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CHECK: Alignment should match open parenthesis
WARNING: line length of 100 exceeds 80 columns
WARNING: line length of 82 exceeds 80 columns
WARNING: line length of 84 exceeds 80 columns
WARNING: line length of 87 exceeds 80 columns
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netdev/build_clang_rust |
success
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No Rust files in patch. Skipping build
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netdev/kdoc |
success
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Errors and warnings before: 12 this patch: 12
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netdev/source_inline |
success
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Was 0 now: 0
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@@ -58,6 +58,10 @@ definitions:
name: vlan-tag
doc:
Device is capable of exposing receive packet VLAN tag via bpf_xdp_metadata_rx_vlan_tag().
+ -
+ name: csum
+ doc:
+ Device is capable of exposing receive packet checksum via bpf_xdp_metadata_rx_csum().
-
type: flags
name: xsk-flags
@@ -28,6 +28,9 @@ metadata is supported, this set will grow:
.. kernel-doc:: net/core/xdp.c
:identifiers: bpf_xdp_metadata_rx_vlan_tag
+.. kernel-doc:: net/core/xdp.c
+ :identifiers: bpf_xdp_metadata_rx_csum
+
An XDP program can use these kfuncs to read the metadata into stack
variables for its own consumption. Or, to pass the metadata on to other
consumers, an XDP program can store it into the metadata area carried
@@ -408,6 +408,10 @@ void xdp_attachment_setup(struct xdp_attachment_info *info,
NETDEV_XDP_RX_METADATA_VLAN_TAG, \
bpf_xdp_metadata_rx_vlan_tag, \
xmo_rx_vlan_tag) \
+ XDP_METADATA_KFUNC(XDP_METADATA_KFUNC_RX_CSUM, \
+ NETDEV_XDP_RX_METADATA_CSUM, \
+ bpf_xdp_metadata_rx_csum, \
+ xmo_rx_csum) \
enum xdp_rx_metadata {
#define XDP_METADATA_KFUNC(name, _, __, ___) name,
@@ -465,12 +469,46 @@ enum xdp_rss_hash_type {
XDP_RSS_TYPE_L4_IPV6_SCTP_EX = XDP_RSS_TYPE_L4_IPV6_SCTP | XDP_RSS_L3_DYNHDR,
};
+enum xdp_csum_status {
+ /* The following enums are the same as skb checksums in skbuff.h, refer to
+ * DOC: skb checksums for more details.
+ */
+
+ XDP_CHECKSUM_NONE = 0,
+ XDP_CHECKSUM_UNNECESSARY = 1,
+ /* Checksum, calculated over the entire packet is provided, as ``csum`` in
+ * ``xdp_csum_info``.
+ */
+ XDP_CHECKSUM_COMPLETE = 2,
+ /* Refer to ``csum_start`` and ``csum_offset`` in ``xdp_csum_info`` for more information. */
+ XDP_CHECKSUM_PARTIAL = 3,
+};
+
+union xdp_csum_info {
+ /* Checksum, calculated over the whole packet.
+ * Available, if ``status & XDP_CHECKSUM_COMPLETE``.
+ */
+ __wsum csum;
+ /* Checksum referred to by ``csum_start + csum_offset`` is considered
+ * valid, but was never calculated, TX device has to do this,
+ * starting from csum_start packet byte.
+ * Any preceding checksums are also considered valid.
+ * Available, if ``status == XDP_CHECKSUM_PARTIAL``.
+ */
+ struct {
+ u16 csum_start;
+ u16 csum_offset;
+ };
+};
+
struct xdp_metadata_ops {
int (*xmo_rx_timestamp)(const struct xdp_md *ctx, u64 *timestamp);
int (*xmo_rx_hash)(const struct xdp_md *ctx, u32 *hash,
enum xdp_rss_hash_type *rss_type);
int (*xmo_rx_vlan_tag)(const struct xdp_md *ctx, __be16 *vlan_proto,
u16 *vlan_tci);
+ int (*xmo_rx_csum)(const struct xdp_md *ctx, enum xdp_csum_status *csum_status,
+ union xdp_csum_info *csum_info);
};
#ifdef CONFIG_NET
@@ -46,11 +46,14 @@ enum netdev_xdp_act {
* hash via bpf_xdp_metadata_rx_hash().
* @NETDEV_XDP_RX_METADATA_VLAN_TAG: Device is capable of exposing receive
* packet VLAN tag via bpf_xdp_metadata_rx_vlan_tag().
+ * @NETDEV_XDP_RX_METADATA_CSUM: Device is capable of exposing receive packet
+ * checksum via bpf_xdp_metadata_rx_csum().
*/
enum netdev_xdp_rx_metadata {
NETDEV_XDP_RX_METADATA_TIMESTAMP = 1,
NETDEV_XDP_RX_METADATA_HASH = 2,
NETDEV_XDP_RX_METADATA_VLAN_TAG = 4,
+ NETDEV_XDP_RX_METADATA_CSUM = 8,
};
/**
@@ -766,6 +766,29 @@ __bpf_kfunc int bpf_xdp_metadata_rx_vlan_tag(const struct xdp_md *ctx,
return -EOPNOTSUPP;
}
+/**
+ * bpf_xdp_metadata_rx_csum - Read XDP frame checksum status and info.
+ * @ctx: XDP context pointer.
+ * @csum_status: Destination pointer for checksum status.
+ * @csum_info: Destination pointer for complete checksum or partial checksum offset.
+ *
+ * Status (@csum_status) is an enum that informs what checksum processing was
+ * performed, same as sk_buff.ip_summed. Additional results of such processing,
+ * such as complete checksum or partial checksum offsets, are passed as
+ * info (@csum_info).
+ *
+ * Return:
+ * * Returns 0 on success or ``-errno`` on error.
+ * * ``-EOPNOTSUPP`` : means device driver doesn't implement kfunc
+ * * ``-ENODATA`` : means checksum status is unknown for this frame
+ */
+__bpf_kfunc int bpf_xdp_metadata_rx_csum(const struct xdp_md *ctx,
+ enum xdp_csum_status *csum_status,
+ union xdp_csum_info *csum_info)
+{
+ return -EOPNOTSUPP;
+}
+
__bpf_kfunc_end_defs();
BTF_KFUNCS_START(xdp_metadata_kfunc_ids)
@@ -46,11 +46,14 @@ enum netdev_xdp_act {
* hash via bpf_xdp_metadata_rx_hash().
* @NETDEV_XDP_RX_METADATA_VLAN_TAG: Device is capable of exposing receive
* packet VLAN tag via bpf_xdp_metadata_rx_vlan_tag().
+ * @NETDEV_XDP_RX_METADATA_CSUM: Device is capable of exposing receive packet
+ * checksum via bpf_xdp_metadata_rx_csum().
*/
enum netdev_xdp_rx_metadata {
NETDEV_XDP_RX_METADATA_TIMESTAMP = 1,
NETDEV_XDP_RX_METADATA_HASH = 2,
NETDEV_XDP_RX_METADATA_VLAN_TAG = 4,
+ NETDEV_XDP_RX_METADATA_CSUM = 8,
};
/**