Make output format prettier (more tree like). : --- 0.0.0.0/0 |--- 10.111.111.0/24 | +-- 10.111.111.0/32 link broadcast | |--- 10.111.111.254/31 | | +-- 10.111.111.254/32 host local | | +-- 10.111.111.255/32 link broadcast |--- 127.0.0.0/8 | |--- 127.0.0.0/31 | | +-- 127.0.0.0/32 link broadcast | | +-- 127.0.0.0/8 host local | | +-- 127.0.0.1/32 host local | +-- 127.255.255.255/32 link broadcast |--- 192.168.1.0/24 | |--- 192.168.1.0/28 | | +-- 192.168.1.0/32 link broadcast | | +-- 192.168.1.9/32 host local | +-- 192.168.1.255/32 link broadcast
: --- 0.0.0.0/0 |--- 0.0.0.0/4 | +-- 0.0.0.0/0 universe unicast | +-- 10.111.111.0/24 link unicast +-- 169.254.0.0/16 link unicast +-- 192.168.1.0/24 link unicast Signed-off-by: Stephen Hemminger --- net/ipv4/fib_trie.c | 106 ++++++++++++++++++++++++++------------------------ 1 files changed, 55 insertions(+), 51 deletions(-) diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 1ff446d..72338cd 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -2340,46 +2340,57 @@ static void fib_trie_seq_stop(struct seq_file *seq, void *v) rcu_read_unlock(); } +/* print left side of tree */ static void seq_indent(struct seq_file *seq, int n) { - while (n-- > 0) seq_puts(seq, " "); -} - -static inline const char *rtn_scope(char *buf, size_t len, enum rt_scope_t s) -{ - switch (s) { - case RT_SCOPE_UNIVERSE: return "universe"; - case RT_SCOPE_SITE: return "site"; - case RT_SCOPE_LINK: return "link"; - case RT_SCOPE_HOST: return "host"; - case RT_SCOPE_NOWHERE: return "nowhere"; - default: - snprintf(buf, len, "scope=%d", s); - return buf; - } + while (n-- > 0) + seq_puts(seq, " |"); } static const char *rtn_type_names[__RTN_MAX] = { - [RTN_UNSPEC] = "UNSPEC", - [RTN_UNICAST] = "UNICAST", - [RTN_LOCAL] = "LOCAL", - [RTN_BROADCAST] = "BROADCAST", - [RTN_ANYCAST] = "ANYCAST", - [RTN_MULTICAST] = "MULTICAST", - [RTN_BLACKHOLE] = "BLACKHOLE", - [RTN_UNREACHABLE] = "UNREACHABLE", - [RTN_PROHIBIT] = "PROHIBIT", - [RTN_THROW] = "THROW", - [RTN_NAT] = "NAT", - [RTN_XRESOLVE] = "XRESOLVE", + [RTN_UNSPEC] = "unspec", + [RTN_UNICAST] = "unicast", + [RTN_LOCAL] = "local", + [RTN_BROADCAST] = "broadcast", + [RTN_ANYCAST] = "anycast", + [RTN_MULTICAST] = "multicast", + [RTN_BLACKHOLE] = "blackhole", + [RTN_UNREACHABLE] = "unreachable", + [RTN_PROHIBIT] = "prohibit", + [RTN_THROW] = "throw", + [RTN_NAT] = "nat", + [RTN_XRESOLVE] = "xresolve", }; -static inline const char *rtn_type(char *buf, size_t len, unsigned t) -{ - if (t < __RTN_MAX && rtn_type_names[t]) - return rtn_type_names[t]; - snprintf(buf, len, "type %u", t); - return buf; +static void fib_trie_show_alias(struct seq_file *seq, const struct fib_alias *fa) +{ + switch (fa->fa_scope) { + case RT_SCOPE_UNIVERSE: + seq_puts(seq, "universe"); + break; + case RT_SCOPE_SITE: + seq_puts(seq, "site"); + break; + case RT_SCOPE_LINK: + seq_puts(seq, "link"); + break; + case RT_SCOPE_HOST: + seq_puts(seq, "host"); + break; + case RT_SCOPE_NOWHERE: + seq_puts(seq, "nowhere"); + break; + default: + seq_printf(seq, "scope:%d", fa->fa_scope); + } + + if (fa->fa_type < __RTN_MAX && rtn_type_names[fa->fa_type]) + seq_printf(seq, " %s", rtn_type_names[fa->fa_type]); + else + seq_printf(seq, " type:%u", fa->fa_type); + + if (fa->fa_tos) + seq_printf(seq, " tos:%#x", fa->fa_tos); } /* Pretty print the trie */ @@ -2402,10 +2413,8 @@ static int fib_trie_seq_show(struct seq_file *seq, void *v) struct tnode *tn = (struct tnode *) n; __be32 prf = htonl(mask_pfx(tn->key, tn->pos)); - seq_indent(seq, iter->depth-1); - seq_printf(seq, " +-- %d.%d.%d.%d/%d %d %d %d\n", - NIPQUAD(prf), tn->pos, tn->bits, tn->full_children, - tn->empty_children); + seq_indent(seq, iter->depth - 1); + seq_printf(seq, "--- %d.%d.%d.%d/%d\n", NIPQUAD(prf), tn->pos); } else { struct leaf *l = (struct leaf *) n; @@ -2413,24 +2422,19 @@ static int fib_trie_seq_show(struct seq_file *seq, void *v) struct hlist_node *node; __be32 val = htonl(l->key); - seq_indent(seq, iter->depth); - seq_printf(seq, " |-- %d.%d.%d.%d\n", NIPQUAD(val)); - hlist_for_each_entry_rcu(li, node, &l->list, hlist) { struct fib_alias *fa; + + seq_indent(seq, iter->depth - 1); + seq_printf(seq, " +-- %d.%d.%d.%d/%d ", + NIPQUAD(val), li->plen); list_for_each_entry_rcu(fa, &li->falh, fa_list) { - char buf1[32], buf2[32]; - - seq_indent(seq, iter->depth+1); - seq_printf(seq, " /%d %s %s", li->plen, - rtn_scope(buf1, sizeof(buf1), - fa->fa_scope), - rtn_type(buf2, sizeof(buf2), - fa->fa_type)); - if (fa->fa_tos) - seq_printf(seq, " tos=%d", fa->fa_tos); - seq_putc(seq, '\n'); + fib_trie_show_alias(seq, fa); + if (list_is_last(&fa->fa_list, &li->falh)) + seq_putc(seq, '\n'); + else + seq_puts(seq, ", "); } } } -- 1.5.3.8 -- Stephen Hemminger -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/