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net: thunderbolt: Add comment clarifying prtcstns flags

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ThunderboltIP protocol currently has two flags from which we only
support and set match frags ID. The first flag is reserved for full E2E
flow control. Add a comment that clarifies them.

Suggested-by: Yehezkel Bernat <yehezkelshb@gmail.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Yehezkel Bernat <YehezkelShB@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mika Westerberg 2020-06-22 19:30:22 +03:00 committed by David S. Miller
parent b5b2382238
commit 547030c8e6
1 changed files with 4 additions and 0 deletions
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4
drivers/net/thunderbolt.c
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@ -1335,6 +1335,10 @@ static int __init tbnet_init(void)
tb_property_add_immediate(tbnet_dir, "prtcid", 1);
tb_property_add_immediate(tbnet_dir, "prtcvers", 1);
tb_property_add_immediate(tbnet_dir, "prtcrevs", 1);
/* Currently only announce support for match frags ID (bit 1). Bit 0
* is reserved for full E2E flow control which we do not support at
* the moment.
*/
tb_property_add_immediate(tbnet_dir, "prtcstns",
TBNET_MATCH_FRAGS_ID);