Date: Fri, 1 Feb 2019 08:10:27 +0000 (UTC) From: Gleb Smirnoff <glebius@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r343646 - head/sys/netinet Message-ID: <201902010810.x118AR38080437@repo.freebsd.org>
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Author: glebius Date: Fri Feb 1 08:10:26 2019 New Revision: 343646 URL: https://svnweb.freebsd.org/changeset/base/343646 Log: Repair siftr(4): PFIL_IN and PFIL_OUT are defines of some value, relying on them having particular values can break things. Modified: head/sys/netinet/siftr.c Modified: head/sys/netinet/siftr.c ============================================================================== --- head/sys/netinet/siftr.c Fri Feb 1 07:48:37 2019 (r343645) +++ head/sys/netinet/siftr.c Fri Feb 1 08:10:26 2019 (r343646) @@ -172,8 +172,11 @@ static MALLOC_DEFINE(M_SIFTR_HASHNODE, "siftr_hashnode struct pkt_node { /* Timestamp of pkt as noted in the pfil hook. */ struct timeval tval; - /* Direction pkt is travelling; either PFIL_IN or PFIL_OUT. */ - uint8_t direction; + /* Direction pkt is travelling. */ + enum { + DIR_IN = 0, + DIR_OUT = 1, + } direction; /* IP version pkt_node relates to; either INP_IPV4 or INP_IPV6. */ uint8_t ipver; /* Hash of the pkt which triggered the log message. */ @@ -286,11 +289,7 @@ static struct alq *siftr_alq = NULL; static struct mtx siftr_pkt_queue_mtx; static struct mtx siftr_pkt_mgr_mtx; static struct thread *siftr_pkt_manager_thr = NULL; -/* - * pfil.h defines PFIL_IN as 1 and PFIL_OUT as 2, - * which we use as an index into this array. - */ -static char direction[3] = {'\0', 'i','o'}; +static char direction[2] = {'i','o'}; /* Required function prototypes. */ static int siftr_sysctl_enabled_handler(SYSCTL_HANDLER_ARGS); @@ -409,7 +408,7 @@ siftr_process_pkt(struct pkt_node * pkt_node) LIST_INSERT_HEAD(counter_list, hash_node, nodes); } else { /* Malloc failed. */ - if (pkt_node->direction == PFIL_IN) + if (pkt_node->direction == DIR_IN) ss->nskip_in_malloc++; else ss->nskip_out_malloc++; @@ -812,7 +811,7 @@ siftr_siftdata(struct pkt_node *pn, struct inpcb *inp, INP_RUNLOCK(inp); pn->ipver = ipver; - pn->direction = dir; + pn->direction = (dir == PFIL_IN ? DIR_IN : DIR_OUT); /* * Significantly more accurate than using getmicrotime(), but slower!
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