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Message-ID: <20241213084457.45120-1-annaemesenyiri@gmail.com> Date: Fri, 13 Dec 2024 09:44:53 +0100 From: Anna Emese Nyiri <annaemesenyiri@...il.com> To: netdev@...r.kernel.org Cc: fejes@....elte.hu, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, willemb@...gle.com, idosch@...sch.org, horms@...nel.org, dsahern@...nel.org, linux-can@...r.kernel.org, socketcan@...tkopp.net, mkl@...gutronix.de, linux-kselftest@...r.kernel.org, shuah@...nel.org, tsbogend@...ha.franken.de, kaiyuanz@...gle.com, James.Bottomley@...senPartnership.com, richard.henderson@...aro.org, arnd@...db.de, almasrymina@...gle.com, asml.silence@...il.com, linux-mips@...r.kernel.org, andreas@...sler.com, mattst88@...il.com, kerneljasonxing@...il.com, sparclinux@...r.kernel.org, linux-alpha@...r.kernel.org, linux-arch@...r.kernel.org, deller@....de, vadim.fedorenko@...ux.dev, linux-parisc@...r.kernel.org, Anna Emese Nyiri <annaemesenyiri@...il.com> Subject: [PATCH net-next v7 0/4] Add support for SO_PRIORITY cmsg Introduce a new helper function, `sk_set_prio_allowed`, to centralize the logic for validating priority settings. Add support for the `SO_PRIORITY` control message, enabling user-space applications to set socket priority via control messages (cmsg). Patch Overview: Patch 1/4: Introduce 'sk_set_prio_allowed' helper function. Patch 2/4: Add support for setting SO_PRIORITY via control messages Patch 3/4: Add test for SO_PRIORITY setting via control messages Patch 4/4: Add new socket option, SO_RCVPRIORITY v7: - Carry Eric's and Willem's "Reviewed-by" tags from v3 to patch 1/4 since that is resubmitted without changes. - Carry Willem's "Reviewed-by" tag from v4 in patch 2/4, as it is resubmitted without changes. - Carry Willem's "Reviewed-by" tag from v5 in patch 4/4, as it is resubmitted without changes. - Carry Willem's "Reviewed-by" tag from v6 since it is resubmitted with minor cosmetic changes in patch 3/4. - Carry Willem's "Acked-by" tag from v5 on FILTER_COUNTER (patch 3/4). - Carry Ido's "Reviewed-by" and "Tested-by" tags from v6 since it is resubmitted with minor cosmetic changes in patch 3/4. - Align the code to the open parenthesis in cmsg_sender.c (patch 3/4). - Remove unnecessary blank line in cmsg_so_priority.sh (patch 3/4). - Remove unused delay variable from cmsg_so_priority.sh (patch 3/4). - Rebased on net-next. v6: https://lore.kernel.org/netdev/20241210191309.8681-1-annaemesenyiri@gmail.com/ - Carry Eric's and Willem's "Reviewed-by" tags from v3 to patch 1/4 since that is resubmitted without changes. - Carry Willem's "Reviewed-by" tag from v4 in patch 2/4, as it is resubmitted without changes. - Carry Willem's "Reviewed-by" tag from v5 in patch 4/4, as it is resubmitted without changes. - Use KSFT_SKIP in jq installation test and add 'nodad' flag for IPv6 address in cmsg_so_priority.sh (patch 3/4). - Rebased on net-next. v5: https://lore.kernel.org/netdev/20241205133112.17903-1-annaemesenyiri@gmail.com/ - Carry Eric's and Willem's "Reviewed-by" tags from v3 to patch 1/4 since that is resubmitted without changes. - Carry Willem's "Reviewed-by" tag from v4 in patch 2/4, as it is resubmitted without changes. - Eliminate variable duplication, fix indentation, simplify cleanup, verify dependencies, separate setsockopt and control message priority testing, and modify namespace setup in patch 3/4 cmsg_so_priority.sh. - Add cmsg_so_priority.sh to tools/testing/selftests/net/Makefile. - Remove the unused variable, rename priority_cmsg to priority, and document the -P option in cmsg_sender.c in patch 3/4. - New in v5: add new socket option, SO_RCVPRIORITY in patch 4/4. - Rebased on net-next. v4: https://lore.kernel.org/netdev/20241118145147.56236-1-annaemesenyiri@gmail.com/ - Carry Eric's and Willem's "Reviewed-by" tags from v3 to patch 1/3 since that is resubmitted without changes. - Updated description in patch 2/3. - Missing ipc6.sockc.priority field added in ping_v6_sendmsg() in patch 2/3. - Update cmsg_so_priority.sh to test SO_PRIORITY sockopt and cmsg setting with VLAN priority tagging in patch 3/3. (Ido Schimmel) - Rebased on net-next. v3: https://lore.kernel.org/netdev/20241107132231.9271-1-annaemesenyiri@gmail.com/ - Updated cover letter text. - Removed priority field from ipcm_cookie. - Removed cork->tos value check from ip_setup_cork, so cork->priority will now take its value from ipc->sockc.priority. - Replaced ipc->priority with ipc->sockc.priority in ip_cmsg_send(). - Modified the error handling for the SO_PRIORITY case in __sock_cmsg_send(). - Added missing initialization for ipc6.sockc.priority. - Introduced cmsg_so_priority.sh test script. - Modified cmsg_sender.c to set priority via control message (cmsg). - Rebased on net-next. v2: https://lore.kernel.org/netdev/20241102125136.5030-1-annaemesenyiri@gmail.com/ - Introduced sk_set_prio_allowed helper to check capability for setting priority. - Removed new fields and changed sockcm_cookie::priority from char to u32 to align with sk_buff::priority. - Moved the cork->tos value check for priority setting from __ip_make_skb() to ip_setup_cork(). - Rebased on net-next. v1: https://lore.kernel.org/all/20241029144142.31382-1-annaemesenyiri@gmail.com/ Anna Emese Nyiri (4): Introduce sk_set_prio_allowed helper function support SO_PRIORITY cmsg test SO_PRIORITY ancillary data with cmsg_sender introduce SO_RCVPRIORITY socket option arch/alpha/include/uapi/asm/socket.h | 2 + arch/mips/include/uapi/asm/socket.h | 2 + arch/parisc/include/uapi/asm/socket.h | 2 + arch/sparc/include/uapi/asm/socket.h | 2 + include/net/inet_sock.h | 2 +- include/net/ip.h | 2 +- include/net/sock.h | 8 +- include/uapi/asm-generic/socket.h | 2 + net/can/raw.c | 2 +- net/core/sock.c | 26 ++- net/ipv4/ip_output.c | 4 +- net/ipv4/ip_sockglue.c | 2 +- net/ipv4/raw.c | 2 +- net/ipv6/ip6_output.c | 3 +- net/ipv6/ping.c | 1 + net/ipv6/raw.c | 3 +- net/ipv6/udp.c | 1 + net/packet/af_packet.c | 2 +- net/socket.c | 11 ++ tools/include/uapi/asm-generic/socket.h | 2 + tools/testing/selftests/net/Makefile | 1 + tools/testing/selftests/net/cmsg_sender.c | 11 +- .../testing/selftests/net/cmsg_so_priority.sh | 151 ++++++++++++++++++ 23 files changed, 228 insertions(+), 16 deletions(-) create mode 100755 tools/testing/selftests/net/cmsg_so_priority.sh -- 2.43.0
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