The "show config rxhdrs" cmd displays the configured protocol headers
that are used for protocol-based buffer split.
However, it shows inner-ipv6 as inner-ipv4.

This patch fixes that by adjusting the order of condition judgments.
This patch also uses RTE_PTYPE_*_MASK as masks.

Fixes: 52e2e7edcf48 ("app/testpmd: add protocol-based buffer split")

Signed-off-by: Yuan Wang <yuanx.w...@intel.com>

---
v3: 
- use RTE_PTYPE_*_MASK as masks.
- refactor to use switch statement.
v2:
- add fixline.

---
 app/test-pmd/config.c | 89 +++++++++++++++++++++----------------------
 1 file changed, 44 insertions(+), 45 deletions(-)

diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index e8a1b77c2a..8638dfed11 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -5070,73 +5070,72 @@ show_rx_pkt_segments(void)
 
 static const char *get_ptype_str(uint32_t ptype)
 {
-       if ((ptype & (RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_TCP)) ==
-               (RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_TCP))
+       switch (ptype & (RTE_PTYPE_L3_MASK | RTE_PTYPE_L4_MASK)) {
+       case RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_TCP:
                return "ipv4-tcp";
-       else if ((ptype & (RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP)) ==
-               (RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP))
+       case RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_UDP:
                return "ipv4-udp";
-       else if ((ptype & (RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_SCTP)) 
==
-               (RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_SCTP))
+       case RTE_PTYPE_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_L4_SCTP:
                return "ipv4-sctp";
-       else if ((ptype & (RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_TCP)) ==
-               (RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_TCP))
+       case RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_TCP:
                return "ipv6-tcp";
-       else if ((ptype & (RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_UDP)) ==
-               (RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_UDP))
+       case RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_UDP:
                return "ipv6-udp";
-       else if ((ptype & (RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_SCTP)) 
==
-               (RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_SCTP))
+       case RTE_PTYPE_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_L4_SCTP:
                return "ipv6-sctp";
-       else if ((ptype & RTE_PTYPE_L4_TCP) == RTE_PTYPE_L4_TCP)
+       case RTE_PTYPE_L4_TCP:
                return "tcp";
-       else if ((ptype & RTE_PTYPE_L4_UDP) == RTE_PTYPE_L4_UDP)
+       case RTE_PTYPE_L4_UDP:
                return "udp";
-       else if ((ptype & RTE_PTYPE_L4_SCTP) == RTE_PTYPE_L4_SCTP)
+       case RTE_PTYPE_L4_SCTP:
                return "sctp";
-       else if ((ptype & RTE_PTYPE_L3_IPV4_EXT_UNKNOWN) == 
RTE_PTYPE_L3_IPV4_EXT_UNKNOWN)
+       case RTE_PTYPE_L3_IPV4_EXT_UNKNOWN:
                return "ipv4";
-       else if ((ptype & RTE_PTYPE_L3_IPV6_EXT_UNKNOWN) == 
RTE_PTYPE_L3_IPV6_EXT_UNKNOWN)
+       case RTE_PTYPE_L3_IPV6_EXT_UNKNOWN:
                return "ipv6";
-       else if ((ptype & RTE_PTYPE_L2_ETHER) == RTE_PTYPE_L2_ETHER)
+       }
+
+       switch (ptype & RTE_PTYPE_L2_MASK) {
+       case RTE_PTYPE_L2_ETHER:
                return "eth";
+       }
 
-       else if ((ptype & (RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | 
RTE_PTYPE_INNER_L4_TCP)) ==
-               (RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_TCP))
-               return "inner-ipv4-tcp";
-       else if ((ptype & (RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | 
RTE_PTYPE_INNER_L4_UDP)) ==
-               (RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_UDP))
-               return "inner-ipv4-udp";
-       else if ((ptype & (RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | 
RTE_PTYPE_INNER_L4_SCTP)) ==
-               (RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_SCTP))
-               return "inner-ipv4-sctp";
-       else if ((ptype & (RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | 
RTE_PTYPE_INNER_L4_TCP)) ==
-               (RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_TCP))
+       switch (ptype & (RTE_PTYPE_INNER_L3_MASK | RTE_PTYPE_INNER_L4_MASK)) {
+       case RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_TCP:
                return "inner-ipv6-tcp";
-       else if ((ptype & (RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | 
RTE_PTYPE_INNER_L4_UDP)) ==
-               (RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_UDP))
+       case RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_UDP:
                return "inner-ipv6-udp";
-       else if ((ptype & (RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | 
RTE_PTYPE_INNER_L4_SCTP)) ==
-               (RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_SCTP))
+       case RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_SCTP:
                return "inner-ipv6-sctp";
-       else if ((ptype & RTE_PTYPE_INNER_L4_TCP) == RTE_PTYPE_INNER_L4_TCP)
+       case RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_TCP:
+               return "inner-ipv4-tcp";
+       case RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_UDP:
+               return "inner-ipv4-udp";
+       case RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN | RTE_PTYPE_INNER_L4_SCTP:
+               return "inner-ipv4-sctp";
+       case RTE_PTYPE_INNER_L4_TCP:
                return "inner-tcp";
-       else if ((ptype & RTE_PTYPE_INNER_L4_UDP) == RTE_PTYPE_INNER_L4_UDP)
+       case RTE_PTYPE_INNER_L4_UDP:
                return "inner-udp";
-       else if ((ptype & RTE_PTYPE_INNER_L4_SCTP) == RTE_PTYPE_INNER_L4_SCTP)
+       case RTE_PTYPE_INNER_L4_SCTP:
                return "inner-sctp";
-       else if ((ptype & RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN) ==
-               RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN)
-               return "inner-ipv4";
-       else if ((ptype & RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN) ==
-               RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN)
+       case RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN:
                return "inner-ipv6";
-       else if ((ptype & RTE_PTYPE_INNER_L2_ETHER) == RTE_PTYPE_INNER_L2_ETHER)
+       case RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN:
+               return "inner-ipv4";
+       }
+
+       switch (ptype & RTE_PTYPE_INNER_L2_MASK) {
+       case RTE_PTYPE_INNER_L2_ETHER:
                return "inner-eth";
-       else if ((ptype & RTE_PTYPE_TUNNEL_GRENAT) == RTE_PTYPE_TUNNEL_GRENAT)
+       }
+
+       switch (ptype & RTE_PTYPE_TUNNEL_MASK) {
+       case RTE_PTYPE_TUNNEL_GRENAT:
                return "grenat";
-       else
-               return "unsupported";
+       }
+
+       return "unsupported";
 }
 
 void
-- 
2.25.1

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