From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) by passt.top (Postfix) with ESMTPS id 65F7B5A0319 for ; Thu, 18 Jul 2024 07:27:15 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gibson.dropbear.id.au; s=202312; t=1721280418; bh=3vS1hwDLt/w3hmGhJJcjepHwxd9WGngvMhMcgSjnkdQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UQ7RlenFHHRXPZZ3F+NGqbkTPvYWAxAIa6y5eejxokTYlPEAiCcg3UQiQi2pqnwVC OyNsGQ3dD5Sowik8V6FlJZijCHcHRE3/j6KzXCUzVtX0qquit74oZLN2XgiGRlb1qZ qgQUiXIvVefv6xSgJw5xPPKpMASY1+asLEmvx9Pi+dxiGgUv8fDAEq7oRRuY8dEZQi lHPYaote+VGVVjSt2+6IBeLG5chXzaKOUJvaE2LRQU0R7RKbOo514Nq4Xi16rN9sTO sklG4s/qylAMHdOcLCLp1zscM5I9DgsRSb5QJVOv36FRwFh1EhKjkaIyBAIyYLSciB AKNvS7BZeI/Bg== Received: by gandalf.ozlabs.org (Postfix, from userid 1007) id 4WPhBV6sqXz4x4c; Thu, 18 Jul 2024 15:26:58 +1000 (AEST) From: David Gibson To: Stefano Brivio , passt-dev@passt.top Subject: [PATCH v8 14/27] icmp: Eliminate icmp_id_map Date: Thu, 18 Jul 2024 15:26:40 +1000 Message-ID: <20240718052653.3241585-15-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718052653.3241585-1-david@gibson.dropbear.id.au> References: <20240718052653.3241585-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-ID-Hash: LENEWHKRQI672JMDHNAOCOPYBVOEQTVZ X-Message-ID-Hash: LENEWHKRQI672JMDHNAOCOPYBVOEQTVZ X-MailFrom: dgibson@gandalf.ozlabs.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: jmaloy@redhat.com, David Gibson X-Mailman-Version: 3.3.8 Precedence: list List-Id: Development discussion and patches for passt Archived-At: Archived-At: List-Archive: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: With previous reworks the icmp_id_map data structure is now maintained, but never used for anything. Eliminate it. Signed-off-by: David Gibson --- icmp.c | 19 ++----------------- 1 file changed, 2 insertions(+), 17 deletions(-) diff --git a/icmp.c b/icmp.c index f640f931..1a6f5d8a 100644 --- a/icmp.c +++ b/icmp.c @@ -45,9 +45,6 @@ #define ICMP_ECHO_TIMEOUT 60 /* s, timeout for ICMP socket activity */ #define ICMP_NUM_IDS (1U << 16) -/* Indexed by ICMP echo identifier */ -static struct icmp_ping_flow *icmp_id_map[IP_VERSIONS][ICMP_NUM_IDS]; - /** * ping_at_sidx() - Get ping specific flow at given sidx * @sidx: Flow and side to retrieve @@ -153,22 +150,14 @@ unexpected: static void icmp_ping_close(const struct ctx *c, const struct icmp_ping_flow *pingf) { - uint16_t id = pingf->f.side[INISIDE].eport; - epoll_ctl(c->epollfd, EPOLL_CTL_DEL, pingf->sock, NULL); close(pingf->sock); flow_hash_remove(c, FLOW_SIDX(pingf, INISIDE)); - - if (pingf->f.type == FLOW_PING4) - icmp_id_map[V4][id] = NULL; - else - icmp_id_map[V6][id] = NULL; } /** * icmp_ping_new() - Prepare a new ping socket for a new id * @c: Execution context - * @id_sock: Pointer to ping flow entry slot in icmp_id_map[] to update * @af: Address family, AF_INET or AF_INET6 * @id: ICMP id for the new socket * @saddr: Source address @@ -177,7 +166,6 @@ static void icmp_ping_close(const struct ctx *c, * Return: Newly opened ping flow, or NULL on failure */ static struct icmp_ping_flow *icmp_ping_new(const struct ctx *c, - struct icmp_ping_flow **id_sock, sa_family_t af, uint16_t id, const void *saddr, const void *daddr) { @@ -223,7 +211,6 @@ static struct icmp_ping_flow *icmp_ping_new(const struct ctx *c, flow_dbg(pingf, "new socket %i for echo ID %"PRIu16, pingf->sock, id); flow_hash_insert(c, FLOW_SIDX(pingf, INISIDE)); - *id_sock = pingf; FLOW_ACTIVATE(pingf); @@ -250,7 +237,7 @@ int icmp_tap_handler(const struct ctx *c, uint8_t pif, sa_family_t af, const void *saddr, const void *daddr, const struct pool *p, const struct timespec *now) { - struct icmp_ping_flow *pingf, **id_sock; + struct icmp_ping_flow *pingf; const struct flowside *tgt; union sockaddr_inany sa; size_t dlen, l4len; @@ -277,7 +264,6 @@ int icmp_tap_handler(const struct ctx *c, uint8_t pif, sa_family_t af, proto = IPPROTO_ICMP; id = ntohs(ih->un.echo.id); - id_sock = &icmp_id_map[V4][id]; seq = ntohs(ih->un.echo.sequence); } else if (af == AF_INET6) { const struct icmp6hdr *ih; @@ -293,7 +279,6 @@ int icmp_tap_handler(const struct ctx *c, uint8_t pif, sa_family_t af, proto = IPPROTO_ICMPV6; id = ntohs(ih->icmp6_identifier); - id_sock = &icmp_id_map[V6][id]; seq = ntohs(ih->icmp6_sequence); } else { ASSERT(0); @@ -304,7 +289,7 @@ int icmp_tap_handler(const struct ctx *c, uint8_t pif, sa_family_t af, if (flow) pingf = &flow->ping; - else if (!(pingf = icmp_ping_new(c, id_sock, af, id, saddr, daddr))) + else if (!(pingf = icmp_ping_new(c, af, id, saddr, daddr))) return 1; tgt = &pingf->f.side[TGTSIDE]; -- 2.45.2