/*
* Wired Ethernet driver interface for QCA MACsec driver
* Copyright (c) 2005-2009, Jouni Malinen <j@w1.fi>
* Copyright (c) 2004, Gunter Burchardt <tira@isx.de>
* Copyright (c) 2013-2014, Qualcomm Atheros, Inc.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "includes.h"
#include <sys/ioctl.h>
#include <net/if.h>
#ifdef __linux__
#include <netpacket/packet.h>
#include <net/if_arp.h>
#include <net/if.h>
#endif /* __linux__ */
#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
#include <net/if_dl.h>
#include <net/if_media.h>
#endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__) */
#ifdef __sun__
#include <sys/sockio.h>
#endif /* __sun__ */
#include "utils/common.h"
#include "utils/eloop.h"
#include "common/defs.h"
#include "common/ieee802_1x_defs.h"
#include "driver.h"
#include "nss_macsec_secy.h"
#include "nss_macsec_secy_rx.h"
#include "nss_macsec_secy_tx.h"
#define MAXSC 16
/* TCI field definition */
#define TCI_ES 0x40
#define TCI_SC 0x20
#define TCI_SCB 0x10
#define TCI_E 0x08
#define TCI_C 0x04
#ifdef _MSC_VER
#pragma pack(push, 1)
#endif /* _MSC_VER */
#ifdef _MSC_VER
#pragma pack(pop)
#endif /* _MSC_VER */
static const u8 pae_group_addr[ETH_ALEN] =
{ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03 };
struct macsec_qca_data {
char ifname[IFNAMSIZ + 1];
u32 secy_id;
void *ctx;
int sock; /* raw packet socket for driver access */
int pf_sock;
int membership, multi, iff_allmulti, iff_up;
/* shadow */
Boolean always_include_sci;
Boolean use_es;
Boolean use_scb;
Boolean protect_frames;
Boolean replay_protect;
u32 replay_window;
};
static int macsec_qca_multicast_membership(int sock, int ifindex,
const u8 *addr, int add)
{
#ifdef __linux__
struct packet_mreq mreq;
if (sock < 0)
return -1;
os_memset(&mreq, 0, sizeof(mreq));
mreq.mr_ifindex = ifindex;
mreq.mr_type = PACKET_MR_MULTICAST;
mreq.mr_alen = ETH_ALEN;
os_memcpy(mreq.mr_address, addr, ETH_ALEN);
if (setsockopt(sock, SOL_PACKET,
add ? PACKET_ADD_MEMBERSHIP : PACKET_DROP_MEMBERSHIP,
&mreq, sizeof(mreq)) < 0) {
perror("setsockopt");
return -1;
}
return 0;
#else /* __linux__ */
return -1;
#endif /* __linux__ */
}
static int macsec_qca_get_ssid(void *priv, u8 *ssid)
{
ssid[0] = 0;
return 0;
}
static int macsec_qca_get_bssid(void *priv, u8 *bssid)
{
/* Report PAE group address as the "BSSID" for macsec connection. */
os_memcpy(bssid, pae_group_addr, ETH_ALEN);
return 0;
}
static int macsec_qca_get_capa(void *priv, struct wpa_driver_capa *capa)
{
os_memset(capa, 0, sizeof(*capa));
capa->flags = WPA_DRIVER_FLAGS_WIRED;
return 0;
}
static int macsec_qca_get_ifflags(const char *ifname, int *flags)
{
struct ifreq ifr;
int s;
s = socket(PF_INET, SOCK_DGRAM, 0);
if (s < 0) {
perror("socket");
return -1;
}
os_memset(&ifr, 0, sizeof(ifr));
os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
if (ioctl(s, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) {
perror("ioctl[SIOCGIFFLAGS]");
close(s);
return -1;
}
close(s);
*flags = ifr.ifr_flags & 0xffff;
return 0;
}
static int macsec_qca_set_ifflags(const char *ifname, int flags)
{
struct ifreq ifr;
int s;
s = socket(PF_INET, SOCK_DGRAM, 0);
if (s < 0) {
perror("socket");
return -1;
}
os_memset(&ifr, 0, sizeof(ifr));
os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
ifr.ifr_flags = flags & 0xffff;
if (ioctl(s, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) {
perror("ioctl[SIOCSIFFLAGS]");
close(s);
return -1;
}
close(s);
return 0;
}
#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
static int macsec_qca_get_ifstatus(const char *ifname, int *status)
{
struct ifmediareq ifmr;
int s;
s = socket(PF_INET, SOCK_DGRAM, 0);
if (s < 0) {
perror("socket");
return -1;
}
os_memset(&ifmr, 0, sizeof(ifmr));
os_strlcpy(ifmr.ifm_name, ifname, IFNAMSIZ);
if (ioctl(s, SIOCGIFMEDIA, (caddr_t) &ifmr) < 0) {
perror("ioctl[SIOCGIFMEDIA]");
close(s);
return -1;
}
close(s);
*status = (ifmr.ifm_status & (IFM_ACTIVE | IFM_AVALID)) ==
(IFM_ACTIVE | IFM_AVALID);
return 0;
}
#endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(FreeBSD_kernel__) */
static int macsec_qca_multi(const char *ifname, const u8 *addr, int add)
{
struct ifreq ifr;
int s;
#ifdef __sun__
return -1;
#endif /* __sun__ */
s = socket(PF_INET, SOCK_DGRAM, 0);
if (s < 0) {
perror("socket");
return -1;
}
os_memset(&ifr, 0, sizeof(ifr));
os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
#ifdef __linux__
ifr.ifr_hwaddr.sa_family = AF_UNSPEC;
os_memcpy(ifr.ifr_hwaddr.sa_data, addr, ETH_ALEN);
#endif /* __linux__ */
#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
{
struct sockaddr_dl *dlp;
dlp = (struct sockaddr_dl *) &ifr.ifr_addr;
dlp->sdl_len = sizeof(struct sockaddr_dl);
dlp->sdl_family = AF_LINK;
dlp->sdl_index = 0;
dlp->sdl_nlen = 0;
dlp->sdl_alen = ETH_ALEN;
dlp->sdl_slen = 0;
os_memcpy(LLADDR(dlp), addr, ETH_ALEN);
}
#endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(FreeBSD_kernel__) */
#if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
{
struct sockaddr *sap;
sap = (struct sockaddr *) &ifr.ifr_addr;
sap->sa_len = sizeof(struct sockaddr);
sap->sa_family = AF_UNSPEC;
os_memcpy(sap->sa_data, addr, ETH_ALEN);
}
#endif /* defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__) */
if (ioctl(s, add ? SIOCADDMULTI : SIOCDELMULTI, (caddr_t) &ifr) < 0) {
perror("ioctl[SIOC{ADD/DEL}MULTI]");
close(s);
return -1;
}
close(s);
return 0;
}
static void __macsec_drv_init(struct macsec_qca_data *drv)
{
int ret = 0;
fal_rx_ctl_filt_t rx_ctl_filt;
fal_tx_ctl_filt_t tx_ctl_filt;
wpa_printf(MSG_INFO, "%s: secy_id=%d", __func__, drv->secy_id);
/* Enable Secy and Let EAPoL bypass */
ret = nss_macsec_secy_en_set(drv->secy_id, TRUE);
if (ret)
wpa_printf(MSG_ERROR, "nss_macsec_secy_en_set: FAIL");
ret = nss_macsec_secy_sc_sa_mapping_mode_set(drv->secy_id,
FAL_SC_SA_MAP_1_4);
if (ret)
wpa_printf(MSG_ERROR,
"nss_macsec_secy_sc_sa_mapping_mode_set: FAIL");
os_memset(&rx_ctl_filt, 0, sizeof(rx_ctl_filt));
rx_ctl_filt.bypass = 1;
rx_ctl_filt.match_type = IG_CTL_COMPARE_ETHER_TYPE;
rx_ctl_filt.match_mask = 0xffff;
rx_ctl_filt.ether_type_da_range = 0x888e;
ret = nss_macsec_secy_rx_ctl_filt_set(drv->secy_id, 0, &rx_ctl_filt);
if (ret)
wpa_printf(MSG_ERROR, "nss_macsec_secy_rx_ctl_filt_set: FAIL");
os_memset(&tx_ctl_filt, 0, sizeof(tx_ctl_filt));
tx_ctl_filt.bypass = 1;
tx_ctl_filt.match_type = EG_CTL_COMPARE_ETHER_TYPE;
tx_ctl_filt.match_mask = 0xffff;
tx_ctl_filt.ether_type_da_range = 0x888e;
ret = nss_macsec_secy_tx_ctl_filt_set(drv->secy_id, 0, &tx_ctl_filt);
if (ret)
wpa_printf(MSG_ERROR, "nss_macsec_secy_tx_ctl_filt_set: FAIL");
}
static void __macsec_drv_deinit(struct macsec_qca_data *drv)
{
nss_macsec_secy_en_set(drv->secy_id, FALSE);
nss_macsec_secy_rx_sc_del_all(drv->secy_id);
nss_macsec_secy_tx_sc_del_all(drv->secy_id);
}
static void * macsec_qca_init(void *ctx, const char *ifname)
{
struct macsec_qca_data *drv;
int flags;
drv = os_zalloc(sizeof(*drv));
if (drv == NULL)
return NULL;
os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
drv->ctx = ctx;
/* Board specific settings */
if (os_memcmp("eth2", drv->ifname, 4) == 0)
drv->secy_id = 1;
else if (os_memcmp("eth3", drv->ifname, 4) == 0)
drv->secy_id = 2;
else
drv->secy_id = -1;
#ifdef __linux__
drv->pf_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
if (drv->pf_sock < 0)
perror("socket(PF_PACKET)");
#else /* __linux__ */
drv->pf_sock = -1;
#endif /* __linux__ */
if (macsec_qca_get_ifflags(ifname, &flags) == 0 &&
!(flags & IFF_UP) &&
macsec_qca_set_ifflags(ifname, flags | IFF_UP) == 0) {
drv->iff_up = 1;
}
if (macsec_qca_multicast_membership(drv->pf_sock,
if_nametoindex(drv->ifname),
pae_group_addr, 1) == 0) {
wpa_printf(MSG_DEBUG,
"%s: Added multicast membership with packet socket",
__func__);
drv->membership = 1;
} else if (macsec_qca_multi(ifname, pae_group_addr, 1) == 0) {
wpa_printf(MSG_DEBUG,
"%s: Added multicast membership with SIOCADDMULTI",
__func__);
drv->multi = 1;
} else if (macsec_qca_get_ifflags(ifname, &flags) < 0) {
wpa_printf(MSG_INFO, "%s: Could not get interface flags",
__func__);
os_free(drv);
return NULL;
} else if (flags & IFF_ALLMULTI) {
wpa_printf(MSG_DEBUG,
"%s: Interface is already configured for multicast",
__func__);
} else if (macsec_qca_set_ifflags(ifname, flags | IFF_ALLMULTI) < 0) {
wpa_printf(MSG_INFO, "%s: Failed to enable allmulti",
__func__);
os_free(drv);
return NULL;
} else {
wpa_printf(MSG_DEBUG, "%s: Enabled allmulti mode", __func__);
drv->iff_allmulti = 1;
}
#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
{
int status;
wpa_printf(MSG_DEBUG, "%s: waiting for link to become active",
__func__);
while (macsec_qca_get_ifstatus(ifname, &status) == 0 &&
status == 0)
sleep(1);
}
#endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(FreeBSD_kernel__) */
return drv;
}
static void macsec_qca_deinit(void *priv)
{
struct macsec_qca_data *drv = priv;
int flags;
if (drv->membership &&
macsec_qca_multicast_membership(drv->pf_sock,
if_nametoindex(drv->ifname),
pae_group_addr, 0) < 0) {
wpa_printf(MSG_DEBUG,
"%s: Failed to remove PAE multicast group (PACKET)",
__func__);
}
if (drv->multi &&
macsec_qca_multi(drv->ifname, pae_group_addr, 0) < 0) {
wpa_printf(MSG_DEBUG,
"%s: Failed to remove PAE multicast group (SIOCDELMULTI)",
__func__);
}
if (drv->iff_allmulti &&
(macsec_qca_get_ifflags(drv->ifname, &flags) < 0 ||
macsec_qca_set_ifflags(drv->ifname, flags & ~IFF_ALLMULTI) < 0)) {
wpa_printf(MSG_DEBUG, "%s: Failed to disable allmulti mode",
__func__);
}
if (drv->iff_up &&
macsec_qca_get_ifflags(drv->ifname, &flags) == 0 &&
(flags & IFF_UP) &&
macsec_qca_set_ifflags(drv->ifname, flags & ~IFF_UP) < 0) {
wpa_printf(MSG_DEBUG, "%s: Failed to set the interface down",
__func__);
}
if (drv->pf_sock != -1)
close(drv->pf_sock);
os_free(drv);
}
static int macsec_qca_macsec_init(void *priv, struct macsec_init_params *params)
{
struct macsec_qca_data *drv = priv;
drv->always_include_sci = params->always_include_sci;
drv->use_es = params->use_es;
drv->use_scb = params->use_scb;
wpa_printf(MSG_DEBUG, "%s: es=%d, scb=%d, sci=%d",
__func__, drv->use_es, drv->use_scb,
drv->always_include_sci);
__macsec_drv_init(drv);
return 0;
}
static int macsec_qca_macsec_deinit(void *priv)
{
struct macsec_qca_data *drv = priv;
wpa_printf(MSG_DEBUG, "%s", __func__);
__macsec_drv_deinit(drv);
return 0;
}
static int macsec_qca_enable_protect_frames(void *priv, Boolean enabled)
{
struct macsec_qca_data *drv = priv;
int ret = 0;
wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
drv->protect_frames = enabled;
return ret;
}
static int macsec_qca_set_replay_protect(void *priv, Boolean enabled,
unsigned int window)
{
struct macsec_qca_data *drv = priv;
int ret = 0;
wpa_printf(MSG_DEBUG, "%s: enabled=%d, win=%u",
__func__, enabled, window);
drv->replay_protect = enabled;
drv->replay_window = window;
return ret;
}
static int macsec_qca_set_current_cipher_suite(void *priv, const u8 *cs,
size_t cs_len)
{
u8 default_cs_id[] = CS_ID_GCM_AES_128;
if (cs_len != CS_ID_LEN ||
os_memcmp(cs, default_cs_id, cs_len) != 0) {
wpa_hexdump(MSG_ERROR, "macsec: NOT supported CipherSuite",
cs, cs_len);
return -1;
}
/* Support default Cipher Suite 0080020001000001 (GCM-AES-128) */
wpa_printf(MSG_DEBUG, "%s: default support aes-gcm-128", __func__);
return 0;
}
static int macsec_qca_enable_controlled_port(void *priv, Boolean enabled)
{
struct macsec_qca_data *drv = priv;
int ret = 0;
wpa_printf(MSG_DEBUG, "%s: enable=%d", __func__, enabled);
ret += nss_macsec_secy_controlled_port_en_set(drv->secy_id, enabled);
return ret;
}
static int macsec_qca_get_receive_lowest_pn(void *priv, u32 channel, u8 an,
u32 *lowest_pn)
{
struct macsec_qca_data *drv = priv;
int ret = 0;
u32 next_pn = 0;
bool enabled = FALSE;
u32 win;
ret += nss_macsec_secy_rx_sa_next_pn_get(drv->secy_id, channel, an,
&next_pn);
ret += nss_macsec_secy_rx_sc_replay_protect_get(drv->secy_id, channel,
&enabled);
ret += nss_macsec_secy_rx_sc_anti_replay_window_get(drv->secy_id,
channel, &win);
if (enabled)
*lowest_pn = (next_pn > win) ? (next_pn - win) : 1;
else
*lowest_pn = next_pn;
wpa_printf(MSG_DEBUG, "%s: lpn=0x%x", __func__, *lowest_pn);
return ret;
}
static int macsec_qca_get_transmit_next_pn(void *priv, u32 channel, u8 an,
u32 *next_pn)
{
struct macsec_qca_data *drv = priv;
int ret = 0;
ret += nss_macsec_secy_tx_sa_next_pn_get(drv->secy_id, channel, an,
next_pn);
wpa_printf(MSG_DEBUG, "%s: npn=0x%x", __func__, *next_pn);
return ret;
}
int macsec_qca_set_transmit_next_pn(void *priv, u32 channel, u8 an, u32 next_pn)
{
struct macsec_qca_data *drv = priv;
int ret = 0;
ret += nss_macsec_secy_tx_sa_next_pn_set(drv->secy_id, channel, an,
next_pn);
wpa_printf(MSG_INFO, "%s: npn=0x%x", __func__, next_pn);
return ret;
}
static int macsec_qca_get_available_receive_sc(void *priv, u32 *channel)
{
struct macsec_qca_data *drv = priv;
int ret = 0;
u32 sc_ch = 0;
bool in_use = FALSE;
for (sc_ch = 0; sc_ch < MAXSC; sc_ch++) {
ret = nss_macsec_secy_rx_sc_in_used_get(drv->secy_id, sc_ch,
&in_use);
if (ret)
continue;
if (!in_use) {
*channel = sc_ch;
wpa_printf(MSG_DEBUG, "%s: channel=%d",
__func__, *channel);
return 0;
}
}
wpa_printf(MSG_DEBUG, "%s: no available channel", __func__);
return -1;
}
static int macsec_qca_create_receive_sc(void *priv, u32 channel,
const u8 *sci_addr, u16 sci_port,
unsigned int conf_offset,
int validation)
{
struct macsec_qca_data *drv = priv;
int ret = 0;
fal_rx_prc_lut_t entry;
fal_rx_sc_validate_frame_e vf;
enum validate_frames validate_frames = validation;
wpa_printf(MSG_DEBUG, "%s: channel=%d", __func__, channel);
/* rx prc lut */
os_memset(&entry, 0, sizeof(entry));
os_memcpy(entry.sci, sci_addr, ETH_ALEN);
entry.sci[6] = (sci_port >> 8) & 0xf;
entry.sci[7] = sci_port & 0xf;
entry.sci_mask = 0xf;
entry.valid = 1;
entry.channel = channel;
entry.action = FAL_RX_PRC_ACTION_PROCESS;
entry.offset = conf_offset;
/* rx validate frame */
if (validate_frames == Strict)
vf = FAL_RX_SC_VALIDATE_FRAME_STRICT;
else if (validate_frames == Checked)
vf = FAL_RX_SC_VALIDATE_FRAME_CHECK;
else
vf = FAL_RX_SC_VALIDATE_FRAME_DISABLED;
ret += nss_macsec_secy_rx_prc_lut_set(drv->secy_id, channel, &entry);
ret += nss_macsec_secy_rx_sc_create(drv->secy_id, channel);
ret += nss_macsec_secy_rx_sc_validate_frame_set(drv->secy_id, channel,
vf);
ret += nss_macsec_secy_rx_sc_replay_protect_set(drv->secy_id, channel,
drv->replay_protect);
ret += nss_macsec_secy_rx_sc_anti_replay_window_set(drv->secy_id,
channel,
drv->replay_window);
return ret;
}
static int macsec_qca_delete_receive_sc(void *priv, u32 channel)
{
struct macsec_qca_data *drv = priv;
int ret = 0;
fal_rx_prc_lut_t entry;
wpa_printf(MSG_DEBUG, "%s: channel=%d", __func__, channel);
/* rx prc lut */
os_memset(&entry, 0, sizeof(entry));
ret += nss_macsec_secy_rx_sc_del(drv->secy_id, channel);
ret += nss_macsec_secy_rx_prc_lut_set(drv->secy_id, channel, &entry);
return ret;
}
static int macsec_qca_create_receive_sa(void *priv, u32 channel, u8 an,
u32 lowest_pn, const u8 *sak)
{
struct macsec_qca_data *drv = priv;
int ret = 0;
fal_rx_sak_t rx_sak;
int i = 0;
wpa_printf(MSG_DEBUG, "%s, channel=%d, an=%d, lpn=0x%x",
__func__, channel, an, lowest_pn);
os_memset(&rx_sak, 0, sizeof(rx_sak));
for (i = 0; i < 16; i++)
rx_sak.sak[i] = sak[15 - i];
ret += nss_macsec_secy_rx_sa_create(drv->secy_id, channel, an);
ret += nss_macsec_secy_rx_sak_set(drv->secy_id, channel, an, &rx_sak);
return ret;
}
static int macsec_qca_enable_receive_sa(void *priv, u32 channel, u8 an)
{
struct macsec_qca_data *drv = priv;
int ret = 0;
wpa_printf(MSG_DEBUG, "%s: channel=%d, an=%d", __func__, channel, an);
ret += nss_macsec_secy_rx_sa_en_set(drv->secy_id, channel, an, TRUE);
return ret;
}
static int macsec_qca_disable_receive_sa(void *priv, u32 channel, u8 an)
{
struct macsec_qca_data *drv = priv;
int ret = 0;
wpa_printf(MSG_DEBUG, "%s: channel=%d, an=%d", __func__, channel, an);
ret += nss_macsec_secy_rx_sa_en_set(drv->secy_id, channel, an, FALSE);
return ret;
}
static int macsec_qca_get_available_transmit_sc(void *priv, u32 *channel)
{
struct macsec_qca_data *drv = priv;
int ret = 0;
u32 sc_ch = 0;
bool in_use = FALSE;
for (sc_ch = 0; sc_ch < MAXSC; sc_ch++) {
ret = nss_macsec_secy_tx_sc_in_used_get(drv->secy_id, sc_ch,
&in_use);
if (ret)
continue;
if (!in_use) {
*channel = sc_ch;
wpa_printf(MSG_DEBUG, "%s: channel=%d",
__func__, *channel);
return 0;
}
}
wpa_printf(MSG_DEBUG, "%s: no avaiable channel", __func__);
return -1;
}
static int macsec_qca_create_transmit_sc(void *priv, u32 channel,
const u8 *sci_addr, u16 sci_port,
unsigned int conf_offset)
{
struct macsec_qca_data *drv = priv;
int ret = 0;
fal_tx_class_lut_t entry;
u8 psci[ETH_ALEN + 2];
wpa_printf(MSG_DEBUG, "%s: channel=%d", __func__, channel);
/* class lut */
os_memset(&entry, 0, sizeof(entry));
entry.valid = 1;
entry.action = FAL_TX_CLASS_ACTION_FORWARD;
entry.channel = channel;
os_memcpy(psci, sci_addr, ETH_ALEN);
psci[6] = (sci_port >> 8) & 0xf;
psci[7] = sci_port & 0xf;
ret += nss_macsec_secy_tx_class_lut_set(drv->secy_id, channel, &entry);
ret += nss_macsec_secy_tx_sc_create(drv->secy_id, channel, psci, 8);
ret += nss_macsec_secy_tx_sc_protect_set(drv->secy_id, channel,
drv->protect_frames);
ret += nss_macsec_secy_tx_sc_confidentiality_offset_set(drv->secy_id,
channel,
conf_offset);
return ret;
}
static int macsec_qca_delete_transmit_sc(void *priv, u32 channel)
{
struct macsec_qca_data *drv = priv;
int ret = 0;
fal_tx_class_lut_t entry;
wpa_printf(MSG_DEBUG, "%s: channel=%d", __func__, channel);
/* class lut */
os_memset(&entry, 0, sizeof(entry));
ret += nss_macsec_secy_tx_class_lut_set(drv->secy_id, channel, &entry);
ret += nss_macsec_secy_tx_sc_del(drv->secy_id, channel);
return ret;
}
static int macsec_qca_create_transmit_sa(void *priv, u32 channel, u8 an,
u32 next_pn, Boolean confidentiality,
const u8 *sak)
{
struct macsec_qca_data *drv = priv;
int ret = 0;
u8 tci = 0;
fal_tx_sak_t tx_sak;
int i;
wpa_printf(MSG_DEBUG,
"%s: channel=%d, an=%d, next_pn=0x%x, confidentiality=%d",
__func__, channel, an, next_pn, confidentiality);
if (drv->always_include_sci)
tci |= TCI_SC;
else if (drv->use_es)
tci |= TCI_ES;
else if (drv->use_scb)
tci |= TCI_SCB;
if (confidentiality)
tci |= TCI_E | TCI_C;
os_memset(&tx_sak, 0, sizeof(tx_sak));
for (i = 0; i < 16; i++)
tx_sak.sak[i] = sak[15 - i];
ret += nss_macsec_secy_tx_sa_next_pn_set(drv->secy_id, channel, an,
next_pn);
ret += nss_macsec_secy_tx_sak_set(drv->secy_id, channel, an, &tx_sak);
ret += nss_macsec_secy_tx_sc_tci_7_2_set(drv->secy_id, channel,
(tci >> 2));
ret += nss_macsec_secy_tx_sc_an_set(drv->secy_id, channel, an);
return ret;
}
static int macsec_qca_enable_transmit_sa(void *priv, u32 channel, u8 an)
{
struct macsec_qca_data *drv = priv;
int ret = 0;
wpa_printf(MSG_DEBUG, "%s: channel=%d, an=%d", __func__, channel, an);
ret += nss_macsec_secy_tx_sa_en_set(drv->secy_id, channel, an, TRUE);
return ret;
}
static int macsec_qca_disable_transmit_sa(void *priv, u32 channel, u8 an)
{
struct macsec_qca_data *drv = priv;
int ret = 0;
wpa_printf(MSG_DEBUG, "%s: channel=%d, an=%d", __func__, channel, an);
ret += nss_macsec_secy_tx_sa_en_set(drv->secy_id, channel, an, FALSE);
return ret;
}
const struct wpa_driver_ops wpa_driver_macsec_qca_ops = {
.name = "macsec_qca",
.desc = "QCA MACsec Ethernet driver",
.get_ssid = macsec_qca_get_ssid,
.get_bssid = macsec_qca_get_bssid,
.get_capa = macsec_qca_get_capa,
.init = macsec_qca_init,
.deinit = macsec_qca_deinit,
.macsec_init = macsec_qca_macsec_init,
.macsec_deinit = macsec_qca_macsec_deinit,
.enable_protect_frames = macsec_qca_enable_protect_frames,
.set_replay_protect = macsec_qca_set_replay_protect,
.set_current_cipher_suite = macsec_qca_set_current_cipher_suite,
.enable_controlled_port = macsec_qca_enable_controlled_port,
.get_receive_lowest_pn = macsec_qca_get_receive_lowest_pn,
.get_transmit_next_pn = macsec_qca_get_transmit_next_pn,
.set_transmit_next_pn = macsec_qca_set_transmit_next_pn,
.get_available_receive_sc = macsec_qca_get_available_receive_sc,
.create_receive_sc = macsec_qca_create_receive_sc,
.delete_receive_sc = macsec_qca_delete_receive_sc,
.create_receive_sa = macsec_qca_create_receive_sa,
.enable_receive_sa = macsec_qca_enable_receive_sa,
.disable_receive_sa = macsec_qca_disable_receive_sa,
.get_available_transmit_sc = macsec_qca_get_available_transmit_sc,
.create_transmit_sc = macsec_qca_create_transmit_sc,
.delete_transmit_sc = macsec_qca_delete_transmit_sc,
.create_transmit_sa = macsec_qca_create_transmit_sa,
.enable_transmit_sa = macsec_qca_enable_transmit_sa,
.disable_transmit_sa = macsec_qca_disable_transmit_sa,
};