On Tue, Nov 28, 2017 at 5:33 PM Ben Pfaff <[email protected]> wrote:

> These macros expand to constants of type struct eth_addr and struct
> eth_addr64, respectively, and make it more convenient to initialize or
> assign to an Ethernet address object.
>
> Signed-off-by: Ben Pfaff <[email protected]>
>

Acked-by: Mark Michelson <[email protected]>


> ---
>  include/openvswitch/types.h | 11 +++++++++++
>  lib/cfm.c                   |  6 ++----
>  lib/lldp/lldp-tlv.h         |  4 +---
>  lib/ovs-lldp.c              |  3 +--
>  lib/packets.h               | 14 +++++++-------
>  tests/test-aa.c             |  6 +++---
>  tests/test-classifier.c     | 10 ++++++----
>  7 files changed, 31 insertions(+), 23 deletions(-)
>
> diff --git a/include/openvswitch/types.h b/include/openvswitch/types.h
> index f7e1c07dd8b0..d5792c3b2233 100644
> --- a/include/openvswitch/types.h
> +++ b/include/openvswitch/types.h
> @@ -168,6 +168,11 @@ struct eth_addr {
>      };
>  };
>
> +/* Ethernet address constant, e.g. ETH_ADDR_C(01,23,45,67,89,ab) is
> + * 01:23:45:67:89:ab. */
> +#define ETH_ADDR_C(A,B,C,D,E,F) (struct eth_addr) \
> +    { { .ea = { 0x##A, 0x##B, 0x##C, 0x##D, 0x##E, 0x##F } } }
> +
>  /* Similar to struct eth_addr, for EUI-64 addresses. */
>  struct eth_addr64 {
>      union {
> @@ -176,6 +181,12 @@ struct eth_addr64 {
>      };
>  };
>
> +/* EUI-64 address constant, e.g. ETH_ADDR_C(01,23,45,67,89,ab,cd,ef) is
> + * 01:23:45:67:89:ab:cd:ef. */
> +#define ETH_ADDR64_C(A,B,C,D,E,F,G,H) (struct eth_addr64) \
> +    { { .ea64 = { 0x##A, 0x##B, 0x##C, 0x##D, \
> +                  0x##E, 0x##F, 0x##G, 0x##H} } }
> +
>  #ifdef __cplusplus
>  }
>  #endif
> diff --git a/lib/cfm.c b/lib/cfm.c
> index 984ff11a1a79..19957a968d3a 100644
> --- a/lib/cfm.c
> +++ b/lib/cfm.c
> @@ -45,10 +45,8 @@ VLOG_DEFINE_THIS_MODULE(cfm);
>  #define CFM_MAX_RMPS 256
>
>  /* Ethernet destination address of CCM packets. */
> -static const struct eth_addr eth_addr_ccm = {
> -    { { 0x01, 0x80, 0xC2, 0x00, 0x00, 0x30 } } };
> -static const struct eth_addr eth_addr_ccm_x = {
> -    { { 0x01, 0x23, 0x20, 0x00, 0x00, 0x30 } } };
> +static const struct eth_addr eth_addr_ccm = ETH_ADDR_C(01,80,c2,00,00,30);
> +static const struct eth_addr eth_addr_ccm_x =
> ETH_ADDR_C(01,23,20,00,00,30);
>
>  #define ETH_TYPE_CFM 0x8902
>
> diff --git a/lib/lldp/lldp-tlv.h b/lib/lldp/lldp-tlv.h
> index f54493d19b7b..1e666fdacc94 100644
> --- a/lib/lldp/lldp-tlv.h
> +++ b/lib/lldp/lldp-tlv.h
> @@ -18,9 +18,7 @@
>  #ifndef _LLDP_TLV_H
>  #define _LLDP_TLV_H
>
> -#define LLDP_MULTICAST_ADDR    {                \
> -    { { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x0e } }  \
> -}
> +#define LLDP_MULTICAST_ADDR ETH_ADDR_C(01,80,c2,00,00,0e)
>
>  #define LLDP_TLV_END            0
>  #define LLDP_TLV_CHASSIS_ID     1
> diff --git a/lib/ovs-lldp.c b/lib/ovs-lldp.c
> index 43dd06d6f249..a056ace93ff1 100644
> --- a/lib/ovs-lldp.c
> +++ b/lib/ovs-lldp.c
> @@ -726,8 +726,7 @@ lldp_put_packet(struct lldp *lldp, struct dp_packet
> *packet,
>  {
>      struct lldpd *mylldpd = lldp->lldpd;
>      struct lldpd_hardware *hw = lldpd_first_hardware(mylldpd);
> -    static const struct eth_addr eth_addr_lldp =
> -        { { { 0x01, 0x80, 0xC2, 0x00, 0x00, 0x0e } } };
> +    static const struct eth_addr eth_addr_lldp =
> ETH_ADDR_C(01,80,c2,00,00,0e);
>
>      ovs_mutex_lock(&mutex);
>
> diff --git a/lib/packets.h b/lib/packets.h
> index 461f488a875d..13ea46da256a 100644
> --- a/lib/packets.h
> +++ b/lib/packets.h
> @@ -176,24 +176,24 @@ bool dpid_from_string(const char *s, uint64_t
> *dpidp);
>  #define ETH_ADDR_LEN           6
>
>  static const struct eth_addr eth_addr_broadcast OVS_UNUSED
> -    = { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } } };
> +    = ETH_ADDR_C(ff,ff,ff,ff,ff,ff);
>
>  static const struct eth_addr eth_addr_exact OVS_UNUSED
> -    = { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } } };
> +    = ETH_ADDR_C(ff,ff,ff,ff,ff,ff);
>
>  static const struct eth_addr eth_addr_zero OVS_UNUSED
> -    = { { { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } };
> +    = ETH_ADDR_C(00,00,00,00,00,00);
>  static const struct eth_addr64 eth_addr64_zero OVS_UNUSED
> -    = { { { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } };
> +    = ETH_ADDR64_C(00,00,00,00,00,00,00,00);
>
>  static const struct eth_addr eth_addr_stp OVS_UNUSED
> -    = { { { 0x01, 0x80, 0xC2, 0x00, 0x00, 0x00 } } };
> +    = ETH_ADDR_C(01,80,c2,00,00,00);
>
>  static const struct eth_addr eth_addr_lacp OVS_UNUSED
> -    = { { { 0x01, 0x80, 0xC2, 0x00, 0x00, 0x02 } } };
> +    = ETH_ADDR_C(01,80,c2,00,00,02);
>
>  static const struct eth_addr eth_addr_bfd OVS_UNUSED
> -    = { { { 0x00, 0x23, 0x20, 0x00, 0x00, 0x01 } } };
> +    = ETH_ADDR_C(00,23,20,00,00,01);
>
>  static inline bool eth_addr_is_broadcast(const struct eth_addr a)
>  {
> diff --git a/tests/test-aa.c b/tests/test-aa.c
> index 2c26fc5273b3..1290ca8c9a7c 100644
> --- a/tests/test-aa.c
> +++ b/tests/test-aa.c
> @@ -26,11 +26,11 @@
>  #define ETH_TYPE_LLDP   0x88cc
>
>  /* Dummy MAC addresses */
> -static const struct eth_addr chassis_mac = { { { 0x5e, 0x10, 0x8e, 0xe7,
> 0x84, 0xad } } };
> -static const struct eth_addr eth_src = { { { 0x5e, 0x10, 0x8e, 0xe7,
> 0x84, 0xad } } };
> +static const struct eth_addr chassis_mac = ETH_ADDR_C(5e,10,8e,e7,84,ad);
> +static const struct eth_addr eth_src = ETH_ADDR_C(5e,10,8e,e7,84,ad);
>
>  /* LLDP multicast address */
> -static const struct eth_addr eth_addr_lldp = { { { 0x01, 0x80, 0xC2,
> 0x00, 0x00, 0x0e } } };
> +static const struct eth_addr eth_addr_lldp =
> ETH_ADDR_C(01,80,c2,00,00,0e);
>
>  /* Count of tests run */
>  static int num_tests = 0;
> diff --git a/tests/test-classifier.c b/tests/test-classifier.c
> index 33de3db3c5ee..edaf4a393382 100644
> --- a/tests/test-classifier.c
> +++ b/tests/test-classifier.c
> @@ -316,11 +316,13 @@ static ovs_be16 tp_src_values[] = {
> CONSTANT_HTONS(49362),
>                                      CONSTANT_HTONS(80) };
>  static ovs_be16 tp_dst_values[] = { CONSTANT_HTONS(6667),
> CONSTANT_HTONS(22) };
>  static struct eth_addr dl_src_values[] = {
> -    { { { 0x00, 0x02, 0xe3, 0x0f, 0x80, 0xa4 } } },
> -    { { { 0x5e, 0x33, 0x7f, 0x5f, 0x1e, 0x99 } } } };
> +    ETH_ADDR_C(00,02,e3,0f,80,a4),
> +    ETH_ADDR_C(5e,33,7f,5f,1e,99)
> +};
>  static struct eth_addr dl_dst_values[] = {
> -    { { { 0x4a, 0x27, 0x71, 0xae, 0x64, 0xc1 } } },
> -    { { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff } } } };
> +    ETH_ADDR_C(4a,27,71,ae,64,c1),
> +    ETH_ADDR_C(ff,ff,ff,ff,ff,ff)
> +};
>  static uint8_t nw_proto_values[] = { IPPROTO_TCP, IPPROTO_ICMP };
>  static uint8_t nw_dscp_values[] = { 48, 0 };
>
> --
> 2.10.2
>
> _______________________________________________
> dev mailing list
> [email protected]
> https://mail.openvswitch.org/mailman/listinfo/ovs-dev
>
_______________________________________________
dev mailing list
[email protected]
https://mail.openvswitch.org/mailman/listinfo/ovs-dev

Reply via email to