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From e67f089156708052abeb9c67d77cb0cf966d89c6 Mon Sep 17 00:00:00 2001
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From: Andrea Claudi <aclaudi@redhat.com>
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Date: Wed, 29 May 2019 18:40:20 +0200
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Subject: [PATCH] rdma: Fix representation of PortInfo CapabilityMask
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1664694
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Upstream Status: iproute2.git commit d090fbf33bd15
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commit d090fbf33bd15d82978596920b07616aa119ac2f
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Author: Leon Romanovsky <leonro@mellanox.com>
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Date: Sun Sep 16 20:28:13 2018 +0300
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rdma: Fix representation of PortInfo CapabilityMask
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The port capability mask represents IBTA PortInfo specification,
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but as it is written in description of kernel commit 2f944c0fbf58
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("RDMA: Fix storage of PortInfo CapabilityMask in the kernel"),
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the bit 26 was mistakenly overwritten.
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The rdmatool followed it too and mislead users by presenting wrong
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value. Since it never showed proper value, we update the whole
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port_cap_mask to comply with IBTA and show real HW values.
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Fixes: da990ab40a92 ("rdma: Add link object")
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Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
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Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
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---
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rdma/link.c | 14 ++++++++++----
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1 file changed, 10 insertions(+), 4 deletions(-)
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diff --git a/rdma/link.c b/rdma/link.c
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index 7e914c870994e..7a6d4b7e356d7 100644
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--- a/rdma/link.c
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+++ b/rdma/link.c
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@@ -20,6 +20,7 @@ static int link_help(struct rd *rd)
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static const char *caps_to_str(uint32_t idx)
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{
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#define RDMA_PORT_FLAGS(x) \
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+ x(RESERVED, 0) \
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x(SM, 1) \
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x(NOTICE, 2) \
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x(TRAP, 3) \
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@@ -32,7 +33,9 @@ static const char *caps_to_str(uint32_t idx)
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x(SM_DISABLED, 10) \
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x(SYS_IMAGE_GUID, 11) \
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x(PKEY_SW_EXT_PORT_TRAP, 12) \
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+ x(CABLE_INFO, 13) \
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x(EXTENDED_SPEEDS, 14) \
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+ x(CAP_MASK2, 15) \
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x(CM, 16) \
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x(SNMP_TUNNEL, 17) \
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x(REINIT, 18) \
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@@ -43,7 +46,12 @@ static const char *caps_to_str(uint32_t idx)
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x(BOOT_MGMT, 23) \
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x(LINK_LATENCY, 24) \
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x(CLIENT_REG, 25) \
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- x(IP_BASED_GIDS, 26)
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+ x(OTHER_LOCAL_CHANGES, 26) \
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+ x(LINK_SPPED_WIDTH, 27) \
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+ x(VENDOR_SPECIFIC_MADS, 28) \
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+ x(MULT_PKER_TRAP, 29) \
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+ x(MULT_FDB, 30) \
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+ x(HIERARCHY_INFO, 31)
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enum { RDMA_PORT_FLAGS(RDMA_BITMAP_ENUM) };
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@@ -51,9 +59,7 @@ static const char *caps_to_str(uint32_t idx)
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rdma_port_names[] = { RDMA_PORT_FLAGS(RDMA_BITMAP_NAMES) };
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#undef RDMA_PORT_FLAGS
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- if (idx < ARRAY_SIZE(rdma_port_names) && rdma_port_names[idx])
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- return rdma_port_names[idx];
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- return "UNKNOWN";
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+ return rdma_port_names[idx];
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}
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static void link_print_caps(struct rd *rd, struct nlattr **tb)
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--
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2.20.1
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