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selftests/net: timestamping: Fix bind_phc check

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timestamping checks socket options during initialisation. For the field
bind_phc of the socket option SO_TIMESTAMPING it expects the value -1 if
PHC is not bound. Actually the value of bind_phc is 0 if PHC is not
bound. This results in the following output:

SIOCSHWTSTAMP: tx_type 0 requested, got 0; rx_filter 0 requested, got 0
SO_TIMESTAMP 0
SO_TIMESTAMPNS 0
SO_TIMESTAMPING flags 0, bind phc 0
   not expected, flags 0, bind phc -1

This is fixed by setting default value and expected value of bind_phc to
0.

Fixes: 2214d70324 ("selftests/net: timestamping: support binding PHC")
Signed-off-by: Gerhard Engleder <gerhard@engleder-embedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gerhard Engleder
2022-01-30 10:54:22 +01:00
committed by David S. Miller
parent 116ea68dc7
commit 678dfd5280
1 changed files with 2 additions and 2 deletions
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4
tools/testing/selftests/net/timestamping.c
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@@ -325,8 +325,8 @@ int main(int argc, char **argv)
struct ifreq device;
struct ifreq hwtstamp;
struct hwtstamp_config hwconfig, hwconfig_requested;
struct so_timestamping so_timestamping_get = { 0, -1 };
struct so_timestamping so_timestamping = { 0, -1 };
struct so_timestamping so_timestamping_get = { 0, 0 };
struct so_timestamping so_timestamping = { 0, 0 };
struct sockaddr_in addr;
struct ip_mreq imr;
struct in_addr iaddr;