git: e474704b9c49 - stable/14 - fib_dxr: move the bulko of malloc() failure logging into dxr_build()
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Date: Tue, 14 May 2024 20:38:54 UTC
The branch stable/14 has been updated by zec: URL: https://cgit.FreeBSD.org/src/commit/?id=e474704b9c49dda12e2afff2ae05f972207e21d7 commit e474704b9c49dda12e2afff2ae05f972207e21d7 Author: Marko Zec <zec@FreeBSD.org> AuthorDate: 2024-05-07 15:11:30 +0000 Commit: Marko Zec <zec@FreeBSD.org> CommitDate: 2024-05-14 20:32:05 +0000 fib_dxr: move the bulko of malloc() failure logging into dxr_build() --- sys/netinet/in_fib_dxr.c | 77 +++++++++++++++++++----------------------------- 1 file changed, 30 insertions(+), 47 deletions(-) diff --git a/sys/netinet/in_fib_dxr.c b/sys/netinet/in_fib_dxr.c index 3015564953c6..3b2dc837d50b 100644 --- a/sys/netinet/in_fib_dxr.c +++ b/sys/netinet/in_fib_dxr.c @@ -497,8 +497,11 @@ chunk_ref(struct dxr_aux *da, uint32_t chunk) da->range_tbl = realloc(da->range_tbl, sizeof(*da->range_tbl) * da->rtbl_size + FRAGS_PREF_SHORT, M_DXRAUX, M_NOWAIT); - if (da->range_tbl == NULL) + if (da->range_tbl == NULL) { + FIB_PRINTF(LOG_NOTICE, da->fd, + "Unable to allocate DXR range table"); return (1); + } } return (0); @@ -632,8 +635,11 @@ trie_ref(struct dxr_aux *da, uint32_t index) da->xtbl_size += XTBL_SIZE_INCR; da->x_tbl = realloc(da->x_tbl, sizeof(*da->x_tbl) * da->xtbl_size, M_DXRAUX, M_NOWAIT); - if (da->x_tbl == NULL) + if (da->x_tbl == NULL) { + FIB_PRINTF(LOG_NOTICE, da->fd, + "Unable to allocate DXR extension table"); return (-1); + } } return(tp->td_index); } @@ -873,8 +879,11 @@ dxr_build(struct dxr *dxr) if (da == NULL) { da = malloc(sizeof(*dxr->aux), M_DXRAUX, M_NOWAIT); - if (da == NULL) + if (da == NULL) { + FIB_PRINTF(LOG_NOTICE, dxr->fd, + "Unable to allocate DXR aux struct"); return; + } dxr->aux = da; da->fibnum = dxr->fibnum; da->refcnt = 1; @@ -894,16 +903,22 @@ dxr_build(struct dxr *dxr) if (da->range_tbl == NULL) { da->range_tbl = malloc(sizeof(*da->range_tbl) * da->rtbl_size + FRAGS_PREF_SHORT, M_DXRAUX, M_NOWAIT); - if (da->range_tbl == NULL) + if (da->range_tbl == NULL) { + FIB_PRINTF(LOG_NOTICE, da->fd, + "Unable to allocate DXR range table"); return; + } range_rebuild = 1; } #ifdef DXR2 if (da->x_tbl == NULL) { da->x_tbl = malloc(sizeof(*da->x_tbl) * da->xtbl_size, M_DXRAUX, M_NOWAIT); - if (da->x_tbl == NULL) + if (da->x_tbl == NULL) { + FIB_PRINTF(LOG_NOTICE, da->fd, + "Unable to allocate DXR extension table"); return; + } trie_rebuild = 1; } #endif @@ -1039,8 +1054,11 @@ dxr2_try_squeeze: #endif dxr->d = malloc(dxr_tot_size, M_DXRLPM, M_NOWAIT); - if (dxr->d == NULL) + if (dxr->d == NULL) { + FIB_PRINTF(LOG_NOTICE, da->fd, + "Unable to allocate DXR lookup table"); return; + } #ifdef DXR2 memcpy(dxr->d, da->d_tbl, d_size); dxr->x = ((char *) dxr->d) + d_size; @@ -1119,7 +1137,8 @@ dxr_init(uint32_t fibnum, struct fib_data *fd, void *old_data, void **data) dxr = malloc(sizeof(*dxr), M_DXRAUX, M_NOWAIT); if (dxr == NULL) { - FIB_PRINTF(LOG_NOTICE, fd, "Unable to allocate DXR struct"); + FIB_PRINTF(LOG_NOTICE, fd, + "Unable to allocate DXR container struct"); return (FLM_REBUILD); } @@ -1212,41 +1231,11 @@ dxr_dump_end(void *data, struct fib_dp *dp) dxr_build(dxr); da = dxr->aux; - if (da == NULL) { - /* malloc(, M_DXRAUX, M_NOWAIT) failed, retry later */ - FIB_PRINTF(LOG_NOTICE, dxr->fd, - "Unable to allocate DXR aux struct"); + if (da == NULL || dxr->d == NULL) return (FLM_REBUILD); - } - if (da->range_tbl == NULL) { - /* malloc(, M_DXRAUX, M_NOWAIT) failed, retry later */ - FIB_PRINTF(LOG_NOTICE, dxr->fd, - "Unable to allocate DXR range table"); - return (FLM_REBUILD); - } - -#ifdef DXR2 - if (da->x_tbl == NULL) { - /* malloc(, M_DXRAUX, M_NOWAIT) failed, retry later */ - FIB_PRINTF(LOG_NOTICE, dxr->fd, - "Unable to allocate DXR extension table"); - return (FLM_REBUILD); - } -#endif - - if (da->rtbl_top >= BASE_MAX) { - /* Structural limit exceeded, hard error */ - FIB_PRINTF(LOG_ERR, dxr->fd, "DXR structural limit exceeded"); + if (da->rtbl_top >= BASE_MAX) return (FLM_ERROR); - } - - if (dxr->d == NULL) { - /* malloc(, M_DXRLPM, M_NOWAIT) failed, retry later */ - FIB_PRINTF(LOG_NOTICE, dxr->fd, - "Unable to allocate DXR lookup table"); - return (FLM_REBUILD); - } dp->f = choose_lookup_fn(da); dp->arg = dxr; @@ -1334,18 +1323,11 @@ dxr_change_rib_batch(struct rib_head *rnh, struct fib_change_queue *q, dxr_build(new_dxr); /* Structural limit exceeded, hard error */ - if (da->rtbl_top >= BASE_MAX) { - /* Structural limit exceeded, hard error */ - dxr_destroy(new_dxr); - FIB_PRINTF(LOG_ERR, dxr->fd, "DXR structural limit exceeded"); + if (da->rtbl_top >= BASE_MAX) return (FLM_ERROR); - } if (new_dxr->d == NULL) { - /* malloc(, M_DXRLPM, M_NOWAIT) failed, retry later */ dxr_destroy(new_dxr); - FIB_PRINTF(LOG_NOTICE, dxr->fd, - "Unable to allocate DXR lookup table"); return (FLM_REBUILD); } @@ -1357,6 +1339,7 @@ dxr_change_rib_batch(struct rib_head *rnh, struct fib_change_queue *q, return (FLM_SUCCESS); } + FIB_PRINTF(LOG_NOTICE, dxr->fd, "fib_set_datapath_ptr() failed"); dxr_destroy(new_dxr); return (FLM_REBUILD); }