d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

uniformly mark mbufs that pass through the tx path with M_MCAST; drivers

Browse Source 
can now use this flag instead of inspecting the contents
This commit is contained in:
Sam Leffler 2009-04-26 21:34:53 +00:00
parent a80982c113
commit 9e80b1df7e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=191544
1 changed files with 22 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
sys/net80211/ieee80211_output.c
View File

@ -424,13 +424,15 @@ ieee80211_output(struct ifnet *ifp, struct mbuf *m,
static void
ieee80211_send_setup(
struct ieee80211_node *ni,
struct ieee80211_frame *wh,
struct mbuf *m,
int type, int tid,
const uint8_t sa[IEEE80211_ADDR_LEN],
const uint8_t da[IEEE80211_ADDR_LEN],
const uint8_t bssid[IEEE80211_ADDR_LEN])
{
#define WH4(wh) ((struct ieee80211_frame_addr4 *)wh)
struct ieee80211_frame *wh = mtod(m, struct ieee80211_frame *);
ieee80211_seq seqno;
wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | type;
if ((type & IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_DATA) {
@ -473,9 +475,12 @@ ieee80211_send_setup(
IEEE80211_ADDR_COPY(wh->i_addr3, bssid);
}
*(uint16_t *)&wh->i_dur[0] = 0;
*(uint16_t *)&wh->i_seq[0] =
htole16(ni->ni_txseqs[tid] << IEEE80211_SEQ_SEQ_SHIFT);
ni->ni_txseqs[tid]++;
seqno = ni->ni_txseqs[tid]++;
*(uint16_t *)&wh->i_seq[0] = htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
if (IEEE80211_IS_MULTICAST(wh->i_addr1))
m->m_flags |= M_MCAST;
#undef WH4
}
@ -516,7 +521,7 @@ ieee80211_mgmt_output(struct ieee80211_node *ni, struct mbuf *m, int type,
}
wh = mtod(m, struct ieee80211_frame *);
ieee80211_send_setup(ni, wh,
ieee80211_send_setup(ni, m,
IEEE80211_FC0_TYPE_MGT | type, IEEE80211_NONQOS_TID,
vap->iv_myaddr, ni->ni_macaddr, ni->ni_bssid);
if (params->ibp_flags & IEEE80211_BPF_CRYPTO) {
@ -607,7 +612,7 @@ ieee80211_send_nulldata(struct ieee80211_node *ni)
const int tid = WME_AC_TO_TID(WME_AC_BE);
uint8_t *qos;
ieee80211_send_setup(ni, wh,
ieee80211_send_setup(ni, m,
IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS_NULL,
tid, vap->iv_myaddr, ni->ni_macaddr, ni->ni_bssid);
@ -620,7 +625,7 @@ ieee80211_send_nulldata(struct ieee80211_node *ni)
qos[0] |= IEEE80211_QOS_ACKPOLICY_NOACK;
qos[1] = 0;
} else {
ieee80211_send_setup(ni, wh,
ieee80211_send_setup(ni, m,
IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_NODATA,
IEEE80211_NONQOS_TID,
vap->iv_myaddr, ni->ni_macaddr, ni->ni_bssid);
@ -879,6 +884,7 @@ ieee80211_encap(struct ieee80211vap *vap, struct ieee80211_node *ni,
struct ieee80211_key *key;
struct llc *llc;
int hdrsize, hdrspace, datalen, addqos, txfrag, is4addr;
ieee80211_seq seqno;
/*
* Copy existing Ethernet header to a safe place. The
@ -1091,14 +1097,14 @@ ieee80211_encap(struct ieee80211vap *vap, struct ieee80211_node *ni,
* capability; this may also change when we pull
* aggregation up into net80211
*/
seqno = ni->ni_txseqs[tid]++;
*(uint16_t *)wh->i_seq =
htole16(ni->ni_txseqs[tid] << IEEE80211_SEQ_SEQ_SHIFT);
ni->ni_txseqs[tid]++;
htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
}
} else {
seqno = ni->ni_txseqs[IEEE80211_NONQOS_TID]++;
*(uint16_t *)wh->i_seq =
htole16(ni->ni_txseqs[IEEE80211_NONQOS_TID] << IEEE80211_SEQ_SEQ_SHIFT);
ni->ni_txseqs[IEEE80211_NONQOS_TID]++;
htole16(seqno << IEEE80211_SEQ_SEQ_SHIFT);
}
/* check if xmit fragmentation is required */
txfrag = (m->m_pkthdr.len > vap->iv_fragthreshold &&
@ -1132,9 +1138,10 @@ ieee80211_encap(struct ieee80211vap *vap, struct ieee80211_node *ni,
m->m_flags |= M_ENCAP; /* mark encapsulated */
IEEE80211_NODE_STAT(ni, tx_data);
if (IEEE80211_IS_MULTICAST(wh->i_addr1))
if (IEEE80211_IS_MULTICAST(wh->i_addr1)) {
IEEE80211_NODE_STAT(ni, tx_mcast);
else
m->m_flags |= M_MCAST;
} else
IEEE80211_NODE_STAT(ni, tx_ucast);
IEEE80211_NODE_STAT_ADD(ni, tx_bytes, datalen);
@ -1591,7 +1598,7 @@ ieee80211_send_probereq(struct ieee80211_node *ni,
}
wh = mtod(m, struct ieee80211_frame *);
ieee80211_send_setup(ni, wh,
ieee80211_send_setup(ni, m,
IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_REQ,
IEEE80211_NONQOS_TID, sa, da, bssid);
/* XXX power management? */
@ -2195,7 +2202,7 @@ ieee80211_send_proberesp(struct ieee80211vap *vap,
KASSERT(m != NULL, ("no room for header"));
wh = mtod(m, struct ieee80211_frame *);
ieee80211_send_setup(bss, wh,
ieee80211_send_setup(bss, m,
IEEE80211_FC0_TYPE_MGT | IEEE80211_FC0_SUBTYPE_PROBE_RESP,
IEEE80211_NONQOS_TID, vap->iv_myaddr, da, bss->ni_bssid);
/* XXX power management? */