ssize_t dst_entry_udp::slow_send(const iovec* p_iov, size_t sz_iov, bool b_blocked /*= true*/, bool is_rexmit /*= false*/, int flags /*= 0*/, socket_fd_api* sock /*= 0*/, tx_call_t call_type /*= 0*/)
{
NOT_IN_USE(is_rexmit);
ssize_t ret_val = 0;
dst_udp_logdbg("In slow send");
prepare_to_send();
if (m_b_force_os || !m_b_is_offloaded) {
struct sockaddr_in to_saddr;
to_saddr.sin_port = m_dst_port;
to_saddr.sin_addr.s_addr = m_dst_ip.get_in_addr();
to_saddr.sin_family = AF_INET;
dst_udp_logdbg("Calling to tx_os");
ret_val = sock->tx_os(call_type, p_iov, sz_iov, flags, (const struct sockaddr*)&to_saddr, sizeof(struct sockaddr_in));
}
else {
if (!is_valid()) { // That means that the neigh is not resolved yet
ret_val = pass_buff_to_neigh(p_iov, sz_iov);
}
else {
ret_val = fast_send(p_iov, sz_iov, b_blocked);
}
}
return ret_val;
}
ssize_t dst_entry_tcp::slow_send(const iovec* p_iov, size_t sz_iov, bool b_blocked /*= true*/, bool is_rexmit /*= false*/, int flags /*= 0*/, socket_fd_api* sock /*= 0*/, tx_call_t call_type /*= 0*/)
{
ssize_t ret_val = -1;
NOT_IN_USE(sock);
NOT_IN_USE(call_type);
NOT_IN_USE(flags);
m_slow_path_lock.lock();
prepare_to_send(true);
if (m_b_is_offloaded) {
if (!is_valid()) { // That means that the neigh is not resolved yet
//there is a copy inside so we should not update any ref-counts
ret_val = pass_buff_to_neigh(p_iov, sz_iov);
}
else {
ret_val = fast_send(p_iov, sz_iov, b_blocked, is_rexmit);
}
}
else {
dst_tcp_logdbg("Dst_entry is not offloaded, bug?");
}
m_slow_path_lock.unlock();
return ret_val;
}
ssize_t dst_entry_tcp::slow_send(const iovec* p_iov, size_t sz_iov, bool b_blocked /*= true*/, bool is_rexmit /*= false*/, int flags /*= 0*/, socket_fd_api* sock /*= 0*/, tx_call_t call_type /*= 0*/)
{
ssize_t ret_val = -1;
NOT_IN_USE(sock);
NOT_IN_USE(call_type);
NOT_IN_USE(flags);
m_slow_path_lock.lock();
prepare_to_send(true);
if (m_b_is_offloaded) {
if (!is_valid()) { // That means that the neigh is not resolved yet
if(is_rexmit){
//drop retransmit packet, and don't save in neigh. if we will want to save in neigh, we need to make copy in save_iovec..()
m_slow_path_lock.unlock();
return ret_val;
}
ret_val = pass_buff_to_neigh(p_iov, sz_iov);
}
else {
ret_val = fast_send(p_iov, sz_iov, b_blocked, is_rexmit);
}
}
else {
dst_tcp_logdbg("Dst_entry is not offloaded, bug?");
}
m_slow_path_lock.unlock();
return ret_val;
}
ssize_t dst_entry_tcp::slow_send_neigh(const iovec* p_iov, size_t sz_iov)
{
ssize_t ret_val = -1;
m_slow_path_lock.lock();
prepare_to_send(true);
if (m_b_is_offloaded) {
ret_val = pass_buff_to_neigh(p_iov, sz_iov);
}
else {
dst_tcp_logdbg("Dst_entry is not offloaded, bug?");
}
m_slow_path_lock.unlock();
return ret_val;
}
