diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2024-03-12 13:42:57 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2024-03-12 13:42:57 +0000 |
| commit | 35ac6831d98e18e2c78c85c93e3a6ca1f1ae3e58 (patch) | |
| tree | 314193562d62ed24d175d6eeeeff91a11111e6b0 /tools/ebpf/rss.bpf.c | |
| parent | fe6d4434d2531f8bc6fffc7878c801e8d8190c5d (diff) | |
| parent | 0cc14182aba961f4c34a21dd202ce6e4a87470f5 (diff) | |
| download | focaccia-qemu-35ac6831d98e18e2c78c85c93e3a6ca1f1ae3e58.tar.gz focaccia-qemu-35ac6831d98e18e2c78c85c93e3a6ca1f1ae3e58.zip | |
Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging
# -----BEGIN PGP SIGNATURE----- # # iQEzBAABCAAdFiEEIV1G9IJGaJ7HfzVi7wSWWzmNYhEFAmXwPUAACgkQ7wSWWzmN # YhFnIwgAgctDniJwlRxXB01eVlzXz7IulHnpSby07XEJxENSpGB8ufaeE4eK5gJy # NVK6C2+1EU2vRxm4oIdcvtN4C4/jtRbYYjiSTx7eE4FmSkqshSnR5XCV72LDqG3i # WbzInjMvYfysmcMXLfrWgxOnVew9WqEzlpEWlc7FfNKnkzBVf+JDztfqCUx0XM7H # qefw4ImjqQw993QxJpipXC7aEGUyouB0RIBB71FkCa9ihlh9x7W68evbOI/jTn5q # HWuStgS02sKHjRFliMbdbMY77FNUz4Yroo/GKSvGt64atxkQSJqPNAV+/9n18LNy # QAH5eK6cXFPOIAaYpADU5kHDVVAFiw== # =iBdx # -----END PGP SIGNATURE----- # gpg: Signature made Tue 12 Mar 2024 11:32:16 GMT # gpg: using RSA key 215D46F48246689EC77F3562EF04965B398D6211 # gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" [marginal] # gpg: WARNING: This key is not certified with sufficiently trusted signatures! # gpg: It is not certain that the signature belongs to the owner. # Primary key fingerprint: 215D 46F4 8246 689E C77F 3562 EF04 965B 398D 6211 * tag 'net-pull-request' of https://github.com/jasowang/qemu: ebpf: Updated eBPF program and skeleton. qmp: Added new command to retrieve eBPF blob. virtio-net: Added property to load eBPF RSS with fds. ebpf: Added eBPF initialization by fds. ebpf: Added eBPF map update through mmap. Avoid unaligned fetch in ladr_match() e1000e: fix link state on resume igb: fix link state on resume Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'tools/ebpf/rss.bpf.c')
| -rw-r--r-- | tools/ebpf/rss.bpf.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/tools/ebpf/rss.bpf.c b/tools/ebpf/rss.bpf.c index 20f227e2ac..9715d1170e 100644 --- a/tools/ebpf/rss.bpf.c +++ b/tools/ebpf/rss.bpf.c @@ -81,6 +81,7 @@ struct { __uint(key_size, sizeof(__u32)); __uint(value_size, sizeof(struct rss_config_t)); __uint(max_entries, 1); + __uint(map_flags, BPF_F_MMAPABLE); } tap_rss_map_configurations SEC(".maps"); struct { @@ -88,6 +89,7 @@ struct { __uint(key_size, sizeof(__u32)); __uint(value_size, sizeof(struct toeplitz_key_data_t)); __uint(max_entries, 1); + __uint(map_flags, BPF_F_MMAPABLE); } tap_rss_map_toeplitz_key SEC(".maps"); struct { @@ -95,6 +97,7 @@ struct { __uint(key_size, sizeof(__u32)); __uint(value_size, sizeof(__u16)); __uint(max_entries, INDIRECTION_TABLE_SIZE); + __uint(map_flags, BPF_F_MMAPABLE); } tap_rss_map_indirection_table SEC(".maps"); static inline void net_rx_rss_add_chunk(__u8 *rss_input, size_t *bytes_written, @@ -317,7 +320,7 @@ static inline int parse_packet(struct __sk_buff *skb, info->in_src = ip.saddr; info->in_dst = ip.daddr; - info->is_fragmented = !!ip.frag_off; + info->is_fragmented = !!(bpf_ntohs(ip.frag_off) & (0x2000 | 0x1fff)); l4_protocol = ip.protocol; l4_offset = ip.ihl * 4; @@ -528,7 +531,7 @@ static inline __u32 calculate_rss_hash(struct __sk_buff *skb, return result; } -SEC("tun_rss_steering") +SEC("socket") int tun_rss_steering_prog(struct __sk_buff *skb) { |