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Date:      Thu, 25 Feb 2021 14:06:40 GMT
From:      "Andrey V. Elsukov" <ae@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org
Subject:   git: 13ad237a19b7 - main - ipfw: make algo name argument optional for some table types
Message-ID:  <202102251406.11PE6eWB036973@gitrepo.freebsd.org>

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The branch main has been updated by ae:

URL: https://cgit.FreeBSD.org/src/commit/?id=13ad237a19b7368124483d9d1dc3258c27880fef

commit 13ad237a19b7368124483d9d1dc3258c27880fef
Author:     Andrey V. Elsukov <ae@FreeBSD.org>
AuthorDate: 2021-02-25 13:57:47 +0000
Commit:     Andrey V. Elsukov <ae@FreeBSD.org>
CommitDate: 2021-02-25 13:57:47 +0000

    ipfw: make algo name argument optional for some table types
    
    Most of table types currently supported by ipfw have only one
    algorithm implementation. When user creates such tables, allow
    to omit algo name in arguments. E.g. now it is possible:
            ipfw table T1 create type number
            ipfw table T2 create type iface
            ipfw table T3 create type flow
    
    PR:             233072
    MFC after:      1 week
    Sponsored by:   Yandex LLC
---
 sbin/ipfw/tables.c | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/sbin/ipfw/tables.c b/sbin/ipfw/tables.c
index 57b8cef00889..81cf7e392586 100644
--- a/sbin/ipfw/tables.c
+++ b/sbin/ipfw/tables.c
@@ -83,6 +83,15 @@ static struct _s_x tabletypes[] = {
       { NULL, 0 }
 };
 
+/* Default algorithms for various table types */
+static struct _s_x tablealgos[] = {
+      { "addr:radix",	IPFW_TABLE_ADDR },
+      { "flow:hash",	IPFW_TABLE_FLOW },
+      { "iface:array",	IPFW_TABLE_INTERFACE },
+      { "number:array",	IPFW_TABLE_NUMBER },
+      { NULL, 0 }
+};
+
 static struct _s_x tablevaltypes[] = {
       { "skipto",	IPFW_VTYPE_SKIPTO },
       { "pipe",		IPFW_VTYPE_PIPE },
@@ -468,8 +477,15 @@ table_create(ipfw_obj_header *oh, int ac, char *av[])
 	}
 
 	/* Set some defaults to preserve compatibility. */
-	if (xi.algoname[0] == '\0' && xi.type == 0)
-		xi.type = IPFW_TABLE_ADDR;
+	if (xi.algoname[0] == '\0') {
+		const char *algo;
+
+		if (xi.type == 0)
+			xi.type = IPFW_TABLE_ADDR;
+		algo = match_value(tablealgos, xi.type);
+		if (algo != NULL)
+			strlcpy(xi.algoname, algo, sizeof(xi.algoname));
+	}
 	if (xi.vmask == 0)
 		xi.vmask = IPFW_VTYPE_LEGACY;
 



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